Works (142)

Updated: April 4th, 2024 15:18

2023 journal article

Barrier/seed system for electroless metallization on complex surfaces using (aminomethylaminoethyl)phenethyltrimethoxysilane self-assembled films

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 41(4).

By: J. Peters n, G. Ashby n & H. Hallen n

Sources: Web Of Science, ORCID
Added: July 24, 2023

2023 journal article

Self-alignment of whole wafers using patterning for capillary forces

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 41(3).

By: E. Walker n, A. Emanuel n & H. Hallen n

Sources: Web Of Science, ORCID
Added: May 22, 2023

2022 journal article

Early Warning of mmWave Signal Blockage Using Diffraction Properties and Machine Learning

IEEE COMMUNICATIONS LETTERS, 26(12), 2944–2948.

By: A. Fallah Dizche n, A. Duel-Hallen n & H. Hallen n

Contributors: H. Hallen n

author keywords: mmWave; blockage prediction; machine learning; Fresnel diffraction; physics-based channel model
TL;DR: The MiniRocket machine learning method is applied to provide reliable early warning of mobile mmWave signal blockage hundreds of milliseconds ahead, thus facilitates a proactive response to sensitivity to blockage. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: September 15, 2022

2022 article

Room-temperature upconverted superfluorescence

Huang, K., Green, K. K., Huang, L., Hallen, H., Han, G., & Lim, S. F. (2022, August 29). NATURE PHOTONICS, Vol. 8.

By: K. Huang*, K. Green n, L. Huang*, H. Hallen n, G. Han* & S. Lim n

Contributors: H. Hallen n

Sources: Web Of Science, ORCID
Added: September 12, 2022

2021 journal article

Dynamic control of reflective/diffusive optical surfaces on EGaIn liquid metal

OPTICAL MATERIALS EXPRESS, 11(7), 2099–2108.

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: July 19, 2021

2021 conference paper

Fluorescence nonlocality in two-dimensional Materials

In Z. Liu, D. Psaltis, & K. Shi (Eds.), Ultrafast Nonlinear Imaging and Spectroscopy IX.

By: H. Hallen n, L. Hernandez*, W. Murray* & Z. Liu*

Ed(s): Z. Liu*, D. Psaltis & K. Shi

Source: ORCID
Added: October 3, 2021

2021 journal article

Surface plasmon resonance is possible in an optical fiber tapered to a point

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 39(4).

By: D. Sunda-Meya* & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: September 7, 2021

2021 conference paper

Unidirectional optical mechano-sensing with upconversion nanoparticles

In Z. Liu, D. Psaltis, & K. Shi (Eds.), Ultrafast Nonlinear Imaging and Spectroscopy IX.

By: K. Green n, B. Long n, K. Huang*, G. Han*, H. Hallen n & S. Lim n

Ed(s): Z. Liu, D. Psaltis & K. Shi

TL;DR: A sharpened fiber-based approach for uniaxial forces is presented and an apparent phase transition, with increasing amount of applied force in the micro Newton regime, in a single direction is reported. (via Semantic Scholar)
Source: ORCID
Added: October 3, 2021

2020 journal article

Early Warning of mmWave Signal Blockage and AoA Transition Using sub-6 GHz Observations

IEEE COMMUNICATIONS LETTERS, 24(1), 207–211.

By: Z. Ali n, A. Duel-Hallen n & H. Hallen n

author keywords: mmWave; blockage prediction; Fresnel diffraction; physical channel model; shadowing; hybrid communications
TL;DR: This work proposes and examines the feasibility of utilizing lower-frequency signals as early-warning indicators of mobile mmWave signal blockage or recovery, and prediction of the strongest multipath component and its angle of arrival (AoA) using sub-6 GHz observations is investigated. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: February 10, 2020

2020 journal article

Modified SAMs and templates for achieving self-alignment of full wafers

MICROFLUIDICS AND NANOFLUIDICS, 24(7).

By: A. Emanuel n, E. Walker n & H. Hallen n

author keywords: Capillary force; Fluid self-alignment (FSA); Hydrophobic; Hydrophilic; Patterned surfaces; Surface chemistry
Sources: Web Of Science, ORCID
Added: June 29, 2020

2019 article

Large Available Volume Particles for Enhanced Deep UV Local Raman Sensing

UV AND HIGHER ENERGY PHOTONICS: FROM MATERIALS TO APPLICATIONS 2019, Vol. 11086.

By: S. Lim n, J. Wirth n, A. Bravo*, P. Schuck* & H. Hallen n

author keywords: resonance Raman; plasmon resonance; DUV; sensing particles; biosensing
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: December 30, 2019

2019 conference paper

Resonance Raman techniques for complex biological systems

Ultrafast Nonlinear Imaging and Spectroscopy VII, 11122, 111220N.

By: H. Hallen n & B. Long n

author keywords: resonance Raman; plasmon resonance; selectivity; Raman fingerprint; biological imaging; ancient soft tissue; hemoglobin; cytosine
TL;DR: It is shown that methylated-DNA can be distinguished from non-methylated (n-DNA) with nano-bowtie- and resonance-enhanced Raman spectra, and several in biologically relevant materials including that methylinated-DNA (m-DNA). (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: ORCID
Added: May 3, 2020

2019 dataset

Supplementary Material for "Early Warning of mmWave Signal Blockage and AoA Transition Using sub-6 GHz Observations"

IEEE DataPort.

Contributors: Z. Ali, A. Duel-Hallen & H. Hallen

Source: ORCID
Added: November 7, 2019

2019 dataset

Supplementary Material for "Early Warning of mmWave Signal Blockage and AoA Transition Using sub-6 GHz Observations"

IEEE DataPort.

Contributors: Z. Ali, A. Duel-Hallen & H. Hallen

Source: ORCID
Added: November 7, 2019

2018 journal article

A self-assembled covalent nanoglue

Translational Materials Research.

Hans Hallen

author keywords: nanoglue; self-assembled monolayer (SAM); wafer to wafer (W2W) bonding; surface chemistry; peptide bond
UN Sustainable Development Goal Categories
Source: ORCID
Added: April 28, 2020

2018 journal article

A self-assembled covalent nanoglue

Translational Materials Research, 5(2).

By: A. Emanuel & H. Hallen

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Cell nucleus manipulation: hydrophobic probe and electric field driven motion

BIOMEDICAL PHYSICS & ENGINEERING EXPRESS, 4(4).

By: D. Speller, G. Nusz & H. Hallen*

author keywords: electrostatic release; SAM; nuclear manipulation; nanoprobe; hydrophobic
TL;DR: A nanoprobe with a hydrophobic coating is found to attract a nucleus strongly when brought into contact with it, and the transfer of the nucleus from one cell into another with the probe demonstrates the utility. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: October 16, 2018

2018 journal article

DNA Methylation Detection Using Resonance and Nanobowtie-Antenna-Enhanced Raman Spectroscopy

BIOPHYSICAL JOURNAL, 114(11), 2498–2506.

By: L. Li n, S. Lim n, A. Puretzky*, R. Riehn n & H. Hallen n

MeSH headings : 5-Methylcytosine / metabolism; DNA Methylation; Nanotechnology; Spectrum Analysis, Raman
TL;DR: It is shown that DNA carrying 5-methylcytosine modifications or methylated DNA (m-DNA) can be distinguished from DNA with unmodified cytosine by Raman spectroscopy enhanced by both a bowtie nanoantenna and excitation resonance, and the Raman resonance gain profile is consistent with A-term expectations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 article

DNA methylation detection using UV nano bowtie antenna enhanced Raman spectroscopy

UV AND HIGHER ENERGY PHOTONICS: FROM MATERIALS TO APPLICATIONS 2018, Vol. 10727.

By: L. Li n, S. Lim n, A. Puretzky n, B. Long*, R. Riehn n & H. Hallen n

author keywords: Resonance Raman; methylation; cytosine; plasmonics; nano-antenna
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: December 3, 2018

2018 article

Lidar detection of small aerosol size distribution

LASER RADAR TECHNOLOGY AND APPLICATIONS XXIII, Vol. 10636.

By: H. Hallen n & C. Philbrick n

author keywords: Lidar; aerosol size distribution; aerosol scattering; extinction; Angstrom ratio; Mie calculations; climate
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: November 26, 2018

2018 article

Resonance Raman Imagery of Semi-Fossilized Soft Tissues

ULTRAFAST NONLINEAR IMAGING AND SPECTROSCOPY VI, Vol. 10753.

By: B. Long n, W. Zheng n, M. Schweitzer n & H. Hallen n

author keywords: Resonance Raman; hemoglobin; fossils; soft tissue
TL;DR: Variable wavelength resonance Raman measurements over the whole sample were used to give more information about the heme species present, in both ancient and modern samples. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: December 17, 2018

2017 journal article

Influence of Gold Metallodielectric Partial-Shell Geometrical Irregularities on Dark Plasmon Resonances

JOURNAL OF PHYSICAL CHEMISTRY C, 121(29), 15937–15942.

By: J. Wirth n, H. Hallen n & S. Lim n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 conference paper

Signatures of dynamical processes in Raman lidar profiles of the atmosphere

Laser Radar Technology and Applications XXII, 10191, 101910E.

By: C. Philbrick n & H. Hallen n

author keywords: Raman lidar; troposphere dynamics; turbulence eddies; thermal convection; wind shear turbulence; atmospheric boundary layer; marine boundary layer; water vapor profiles; signatures of dynamics; water spouts
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: ORCID
Added: May 3, 2020

2016 conference paper

Atmospheric absorption versus deep ultraviolet (pre-)resonance in Raman lidar measurements

Proc. SPIE, 9832, 983210 (11 pp.) -.

By: H. Hallen n, A. Willitsford*, R. Neely n, C. Chadwick n & C. Philbrick n

author keywords: resonance Raman; absorption; water vapor; Raman lidar; MODTRAN
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Resonance-Enhanced Raman Scattering of Ring-Involved Vibrational Modes in the B-1(2u) Absorption Band of Benzene, Including the Kekule Vibrational Modes nu(9) and nu(10)

JOURNAL OF PHYSICAL CHEMISTRY A, 120(4), 503–506.

By: A. Willitsford*, C. Chadwick n, S. Kurtz*, C. Philbrick n & H. Hallen n

TL;DR: Raman resonances on phonon-allowed excitations are narrow and permit the measurement of vibrations not Raman-active in the ground state, and several overtones and combination modes, especially with ν2 (a1g), are also observed to resonate. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Deep ultraviolet Raman spectroscopy: A resonance-absorption trade-off illustrated by diluted liquid benzene

J. Appl. Phys., 118(24), 243101 (6 pp.) -.

By: C. Chadwick n, A. Willitsford*, C. Philbrick n & H. Hallen n

UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2015 conference paper

Lidar investigations of atmospheric dynamics

Proc. SPIE, 9612, 96120C (16 pp.) -.

By: C. Philbrick n & H. Hallen n

author keywords: Raman lidar; atmospheric dynamics; lower atmosphere; waves; turbulence
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2015 conference paper

UV resonance Raman signatures of phonon-allowed absorptions and phonon-driven bubble formation

Proc. SPIE, 9584, 95840P (8 pp.) -.

By: H. Hallen n, A. Willitsford n, R. Weeks n & C. Philbrick n

author keywords: Resonance Raman; Phonon-allowed Absorption; Narrow spectral features
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Enhancement of single particle rare earth doped NaYF4: Yb, Er emission with a gold shell

Nanotechnology, 26(2), 025101.

By: L. Li n, K. Green n, H. Hallen n & S. Lim n

author keywords: bioimaging; upconversion; near infrared
Sources: ORCID, Crossref, NC State University Libraries
Added: August 6, 2018

2014 conference paper

Laser remote sensing of species concentrations and dynamical processes

Proc. SPIE, Int. Soc. Opt. Eng., 9080, 90800Z (15 pp.) -.

By: C. Philbrick n & H. Hallen n

author keywords: Raman Lidar; DIAL; Supercontinuum Absorption Lidar; Resonance Raman; Atmospheric Chemistry; Atmospheric Dynamics; Optical Extinction
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: ORCID
Added: August 13, 2019

2014 conference paper

Remote aerosol species-identification using IR scattering spectroscopy

Proc. SPIE, Int. Soc. Opt. Eng., 9080, 908010 (12 pp.) -.

By: S. Niu n, C. Philbrick n & H. Hallen n

author keywords: aerosol scattering; Mie calculation; size distribution; complex refractive index
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Source: ORCID
Added: August 13, 2019

2014 conference paper

Time and neighbor interaction in resonance Raman spectroscopy

Proc. SPIE, 9198, 91980F (8 pp.) -.

By: H. Hallen n, S. Niu n & L. Li n

author keywords: Resonance Raman; plasmon enhancement; gradient field Raman; nano-antenna; phonon allowed transitions; tunable excitation; excited state spectroscopy
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2013 conference paper

Coherence in UV resonance Raman spectroscopy of liquid benzene and toluene, but not ice

Proc. SPIE, Int. Soc. Opt. Eng., 8845, 884511 (9 pp.) -.

By: H. Hallen n, R. Neely n, A. Willitsford*, C. Chadwick n & C. Philbrick n

author keywords: resonance Raman; benzene; toluene; forbidden transition
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Data-Aided Noise Reduction for Long-Range Fading Prediction in Adaptive Modulation Systems

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 62(5), 2358–2362.

By: T. Jia*, A. Duel-Hallen n & H. Hallen n

Event: at USA

author keywords: Adaptive modulation; adaptive signal processing; fading channels; prediction methods
TL;DR: It is demonstrated that LRP-enabled adaptive modulation performs better for realistic reflector configurations than for the conventional Jakes model (JM) data set and increases the coding gain of adaptive trellis-coded modulation (ATCM). (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 conference paper

Multistatic lidar measurements of non-spherical aerosols

Proc. SPIE, Int. Soc. Opt. Eng., 8731, 87310P (13 pp.) -.

By: H. Hallen n, B. Long n, D. Hook n, G. Pangle n & C. Philbrick n

author keywords: aerosol scattering; T-matrix; scanning electron microscopy; Mie scattering; particle size measurement
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2013 conference paper

Optical extinction dependence on wavelength and size distribution of airborne dust

Proc. SPIE, Int. Soc. Opt. Eng., 8731, 87310N (14 pp.) -.

By: G. Pangle n, D. Hook n, B. Long n, C. Philbrick n & H. Hallen n

author keywords: aerosol scattering; optical extinction; non-spherical particles; Arizona Road Dust
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Resonance enhanced Raman scatter in liquid benzene at vapor-phase absorption peaks

Optics Express, 21(22), 26150–26161.

By: A. Willitsford, C. Chadwick, H. Hallen*, S. Kurtz & C. Philbrick*

TL;DR: Raman signals for the symmetric breathing mode of the carbon ring are found to be resonantly enhanced by several orders of magnitude with deep UV excitation compared to non-resonant visible excitation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2013 conference paper

Understanding lidar returns from complex dust mixtures

Proc. SPIE, Int. Soc. Opt. Eng., 8731, 87310M (12 pp.) -.

By: D. Hook n, G. Pangle n, B. Long n, C. Philbrick n & H. Hallen n

author keywords: aerosol scattering; ellipsometry; optical transmission; effective medium theory; index of refraction measurement
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2013 conference paper

Using a laser aureole to study aerosols

Proc. SPIE, Int. Soc. Opt. Eng., 8731, 87310O (12 pp.) -.

By: B. Long n, D. Hook n, G. Pangle n, H. Hallen n & C. Philbrick n

author keywords: laser aureole; aerosol scattering; Arizona Road Dust (ARD); laser scatter from colloid; optical properties of aerosols
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Enabling Code Diversity for Mobile Radio Channels using Long-Range Fading Prediction

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 11(12), 4362–4371.

By: Y. Wu, T. Jia*, R. Calderbank*, A. Duel-Hallen n & H. Hallen n

Event: at USA

author keywords: Fading channels; space-time codes; code diversity; long-range channel prediction; feedback delay; channel state information
TL;DR: This paper demonstrates the practicality of code diversity in space-time coded systems by showing that performance gains based on instantaneous feedback are largely preserved when long-range prediction of time-varying correlated fading channels is employed to compensate for the effect of the feedback delay. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Near-field enhanced ultraviolet resonance Raman spectroscopy using aluminum bow-tie nano-antenna

Applied Physics Letters, 101(11).

By: L. Li n, S. Fang Lim n, A. Puretzky*, R. Riehn n & H. Hallen n

Contributors: L. Li n

TL;DR: An aluminum bow-tie nano-antenna is combined with the resonance Raman effect in the deep ultraviolet to dramatically increase the sensitivity of Raman spectra to a small volume of material, such as benzene used here. (via Semantic Scholar)
Source: ORCID
Added: July 23, 2019

2012 journal article

Near-field enhanced ultraviolet resonance Raman spectroscopy using aluminum bow-tie nano-antenna

Applied Physics Letters, 101(11).

By: L. Li, S. Lim, A. Puretzky, R. Riehn & H. Hallen

Source: NC State University Libraries
Added: August 6, 2018

2011 conference paper

Remote Sensing of Atmospheric Aerosol Properties

Proceedings of the 91th Annual AMS Meeting, Third Symposium on Aerosol-Cloud-Climate Interactions, Aerosol and Cloud Properties, Seattle, WA, 23--27 January 2011. https://ams.confex.com/ams/91Annual/webprogram/Paper186827.html

By: R. Philbrick, H. Hallen, M. Snyder & A. Wyant

Source: ORCID
Added: August 13, 2019

2010 journal article

Novel split-tip proximal probe for fabrication of nanometer-textured, in-plane oriented polymer films

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 28(4), 687–692.

By: B. Clark n, M. Taylor n & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 conference paper

Optical Remote Sensing Techniques Characterize the Properties of Atmospheric Aerosols

Proc. SPIE - Int. Soc. Opt. Eng., 7684, 76840J (11 pp.) -.

By: C. Philbrick n, H. Hallen n, A. Wyant*, T. Wright n & M. Snyder n

author keywords: optical scattering; lidar remote sensing; aerosols; trace atmospheric species; bistatic lidar; Raman lidar
UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2009 conference paper

Characteristics of atmospheric aerosols using optical remote sensing

Proc. of Fourth Symposium on Lidar Atmospheric Applications, as part of the 89th AMS Annual Meeting, 8 pp. http://ams.confex.com/ams/pdfpapers/163441.pdf

By: C. Philbrick, T. Wright, M. Snyder, H. Hallen, A. Brown, S. Verghese, P. Edwards

Event: at Phoenix, Arizona

Source: ORCID
Added: August 13, 2019

2009 journal article

Comparison of diffraction-enhanced computed tomography and monochromatic synchrotron radiation computed tomography of human trabecular bone

PHYSICS IN MEDICINE AND BIOLOGY, 54(20), 6123–6133.

By: D. Connor n, H. Hallen n, D. Lalush n, D. Sumner* & Z. Zhong*

Event: at UK

MeSH headings : Absorption; Bone and Bones / diagnostic imaging; Bone and Bones / pathology; Equipment Design; Humans; Normal Distribution; Radiographic Image Interpretation, Computer-Assisted / methods; Scattering, Radiation; Silicon; Synchrotrons; Tibia / diagnostic imaging; Tibia / pathology; Tomography, X-Ray Computed / methods; X-Rays
TL;DR: The apparent absorption DECT images have significantly higher spatial resolution and CNR than the corresponding SRCT images, and will prove to be a useful tool for imaging applications in which high contrast and high spatial resolution are required for both soft tissue features and bone. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: August 6, 2018

2009 conference paper

Integration of code diversity and long-range channel prediction in wireless communication

Proceedings of the 2009 International Conference on Electromagnetics in Advanced Applications, ICEAA '09, 241–244.

By: Y. Wu*, T. Jia*, R. Calderbank*, A. Duel-Hallen n & H. Hallen n

Event: at Torino, Italy

TL;DR: The practicality of code diversity in space-time coded systems is demonstrated by showing that predicted performance gains based on instantaneous feedback are largely preserved when the feedback is based on long-range prediction of rapidly time-varying correlated fading channels. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

2009 conference paper

Measurements of contributors to atmospheric climate change

Proceedings of the 19th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 141–146. http://www.spaceflight.esa.int/pac-symposium2009/proceedings/papers/s2_40philb.pdf

By: C. Philbrick & H. Hallen

Event: at Noordwijk, Netherlands

Source: ORCID
Added: August 13, 2019

2009 conference paper

Remote Sensing of Chemical Species in the Atmosphere

Proc. of Fourth Symposium on Lidar Atmospheric Applications, as part of the 89th AMS Annual Meeting in Phoenix, Arizona, 11--15 January 2009, 8 pp. http://ams.confex.com/ams/pdfpapers/150051.pdf

By: C. Philbrick, D. Brown, A. Willitsford, P. Edwards, A. Wyant, Z. Liu, C. Chadwick, H. Hallen

Source: ORCID
Added: August 13, 2019

2009 conference paper

Template design and propagation gain for multipath UWB channels with per-path frequency-dependent distortion

Proceedings - IEEE Military Communications Conference MILCOM, 7 pp. -.

By: N. Mehta n, A. Duel-Hallen n & H. Hallen n

Event: at Boston, MA, United states

TL;DR: It is demonstrated that receivers which employ a set of partial derivatives templates are near-optimal in terms of energy capture while the simple transmit pulse template provides excellent complexity-performance trade-offs for most practical scenarios. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

2008 conference paper

Improved long-range prediction with data-aided noise reduction for adaptive modulation systems

CISS 2008, The 42nd Annual Conference on Information Sciences and Systems, 1161–1166.

By: T. Jia n, A. Duel-Hallen n & H. Hallen n

Event: at Princeton, NJ, United states

TL;DR: A novel data-aided noise reduction (DANR) method is proposed to enhance the accuracy of long-range prediction (LRP) for wireless fading channels, thereby improving the spectral efficiency (SE) of adaptive modulation (AM) system enabled by the LRP. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

2008 conference paper

Performance of adaptive coded modulation enabled by long-range fading prediction with data-aided noise reduction

MILCOM 2008 - 2008 IEEE Military Communications Conference, 7 pp. -.

By: T. Jia n, A. Duel-Hallen n & H. Hallen n

Event: at Piscataway, NJ, USA

TL;DR: Performance of uncoded adaptive modulation and adaptive coded modulation enabled by the long-range prediction that utilizes data-aided noise reduction (DANR) is investigated for rapidly varying mobile radio channels and it is demonstrated that adaptive modulation aided by LRP has better performance for the realistic physical model than for the Jakes model in the practical SNR range. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

2008 article

Reliable adaptive modulation and interference mitigation for mobile radio slow frequency hopping channels

Lei, M., Due-Hallen, A., & Hallen, H. (2008, March). IEEE TRANSACTIONS ON COMMUNICATIONS, Vol. 56, pp. 352–355.

By: M. Lei*, A. Due-Hallen & H. Hallen n

author keywords: slow frequency hopping; channel state information; long range prediction; adaptive transmission; partial-band interference; diversity
TL;DR: The long range fading prediction algorithm for Slow Frequency Hopping systems is proposed and demonstrated to enable combined adaptive modulation and adaptive frequency diversity to mitigate the effects of fading and partial-band interference. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 conference paper

Resonance Raman measurements utilizing a deep UV source

Proc. SPIE - Int. Soc. Opt. Eng., 6950, 69500–69501.

By: A. Willitsford*, C. Chadwick n, H. Hallen n & C. Philbrick*

author keywords: resonance Raman; tunable ultraviolet laser; benzene; toluene; diamond; resonance scatter
UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

2008 journal article

Synthesis of carboxylic acid monolayers by ozonolysis of 10-undecenyltrichlorosilane SAMs

JOURNAL OF PHYSICAL CHEMISTRY C, 112(6), 2086–2090.

By: M. Hallen n & H. Hallen n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

Nano-Raman Spectroscopy: Surface Plasmon Emission, Field Gradients, and Fundamentally Near Field Propagation Effects

NanoBiotechnology, 3(3-4), 197–202.

By: H. Hallen n

Source: ORCID
Added: August 13, 2019

2007 journal article

Nanoscale optical imaging of pigment particles in paint with near-field scanning optical microscopy

Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 25(1), 54–57.

Hans Hallen

UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

2007 journal article

Nanoscale optical imaging of pigment particles in paint with near-field scanning optical microscopy

Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures, 25(1), 54–57.

By: B. Clark, G. Gurguis & H. Hallen

Source: NC State University Libraries
Added: August 6, 2018

2007 conference paper

Physical modeling and template design for UWB channels with per-path distortion

MILCOM 2006, 7 pp. -.

By: L. Ma n, A. Duel-Hallen n & H. Hallen n

Event: at Piscataway, NJ, USA

UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: August 13, 2019

2007 chapter

Special Issue of the Journal NanoBiotechnology: Physical Methods of Nanophotonics

In NanoBiotechnology (Vol. 3, p. 147).

By: H. Hallen n

TL;DR: The goal with this special issue is to present the current state of understanding, key insights that permit a qualitative grasp of the phenomena, and recent ideas to improve the localization and signal level. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

2006 conference paper

Feasibility of adaptive transmission for multicarrier and frequency hopping mobile radio systems

Proceedings of the Sixth IASTED International Multi-Conference on Wireless and Optical Communications, 52–57. http://137.226.34.227/dblp/db/conf/woc/woc2006.html

By: A. Duel-Hallen, M. Lei, T. Yang & H. Hallen

Event: at Anaheim, CA, USA

Source: ORCID
Added: August 13, 2019

2006 conference paper

Lidar Techniques Applied To Remote Detection of Chemical Species in the Atmosphere

Proceedings of the International Symposium on Spectral Sensing Research (ISSSR).

By: C. Philbrick, Z. Liu, H. Hallen, D. Brown & A. Willitsford

Source: ORCID
Added: August 13, 2019

2006 journal article

Long range prediction and reduced feedback for mobil radio adaptive OFDM systems

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 5(10), 2723–2733.

By: A. Duel-Hallen n, H. Hallen n & T. Yang n

Event: at USA

author keywords: adaptive modulation; fading channel prediction; multipath fading; orthogonal frequency division multiplexing (OFDM); physical channel modeling
TL;DR: The minimum mean-square-error (MMSE) long-range channel prediction that utilizes the time and frequency domain correlation functions of the Rayleigh fading channel is derived and used in the design of reliable adaptive modulation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Self-assembled monolayer coating of biological probes to avoid protein adhesion

NanoBiotechnology, 2(1-2), 61–65.

By: G. Nusz n, E. Johannes n, N. Allen n & H. Hallen n

TL;DR: It is found that cellular material adheres to the probes that are not coated with a self-assembled monolayer octadecyltrichlorosilane, allowing probe reinsertion and it causes less damage to the target cell, greatly facilitating in vivo optical study of cells. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

2005 conference paper

Enabling adaptive modulation and interference mitigation for slow frequency hopping communications

IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC, 2005, 348–352.

By: M. Lei n, A. Duel-Hallen n & H. Hallen n

Event: at New York, NY, United states

TL;DR: This work investigates the optimal minimum mean square error (MMSE) long range prediction (LRP) algorithm for slow frequency hopping (SFH) systems that employ coherent detection and shows that significant performance gains can be achieved relative to non-adaptive methods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Source: ORCID
Added: August 13, 2019

2004 journal article

Choosing a preamplifier for tuning fork signal detection in scanning force microscopy

REVIEW OF SCIENTIFIC INSTRUMENTS, 75(8), 2759–2761.

By: C. Jahncke*, O. Brandt*, K. Fellows* & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 conference paper

Enabling adaptive OFDM for mobile radio channels

Proceedings - IEEE Military Communications Conference MILCOM, 2, 704–710.

By: T. Yang n, A. Duel-Hallen n & H. Hallen n

Event: at Monterey, CA, United states

TL;DR: The minimum mean-square-error (MMSE) long-range channel prediction that utilizes the time and frequency domain correlation functions of the Rayleigh fading channel is derived, thus validating the feasibility of AOFDM for rapidly varying mobile radio channels. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

2004 article

Reliable adaptive modulation aided by observations of another fading channel

Yang, T. S., Duel-Hallen, A., & Hallen, H. (2004, April). IEEE TRANSACTIONS ON COMMUNICATIONS, Vol. 52, pp. 605–611.

By: T. Yang n, A. Duel-Hallen n & H. Hallen n

Event: at USA

author keywords: adaptive modulation; fading channel prediction; multipath fading; multiple carriers; physical channel modeling
TL;DR: This paper derives the minimum mean-square error (MMSE) long-range channel prediction that uses the time- and frequency-domain correlation function of the Rayleigh fading channel and develops a statistical model of the prediction error that depends on the frequency and time correlation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 conference paper

The Electric Field Near a Split-Tip Proximal Probe for Molecular Orientation

Proceedings of the 2004 NSF DMII Grantee's Conference. Presented at the Dallas, TX. Dallas, TX.

By: H. Hallen & M. Taylor

Event: at Dallas, TX

Source: ORCID
Added: August 13, 2019

2004 conference paper

Validation of Adaptive Transmission for Realistic Single- and Multi-Carrier Mobile Radio Channels

Proceedings of URSI'04, Special Session on Propagation Effects in Wireless Communications Channels, 75. Boulder, CO.

By: T. Yang, A. Duel-Hallen & H. Hallen

Event: at Boulder, CO

Source: ORCID
Added: August 13, 2019

2003 conference paper

A Split-Tip Proximal Probe for Nanoscale Deposition of Molecules with Controlled In-Plane Orientation

Proceedings of the 2003 NSF DMII Grantee's Conference. Presented at the Birmingham, AL. Birmingham, AL.

By: H. Hallen & M. Taylor

Event: at Birmingham, AL

Source: ORCID
Added: August 13, 2019

2003 conference paper

Long range fading prediction to enable adaptive transmission at another carrier

2003 4th IEEE Workshop on Signal Processing Advances in Wireless Communications - SPAWC 2003 (IEEE Cat. No.03EX689), 195–199.

By: T. Yang n, A. Duel-Hallen n & H. Hallen n

Event: at Piscataway, NJ, USA

TL;DR: The minimum mean-square-error (MMSE) long range channel prediction algorithm is developed that utilizes the time and frequency domain correlation function of the Rayleigh fading channel and is used in the design of reliable adaptive modulation methods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

2003 journal article

Quantitative method of image analysis when drift is present in a scanning probe microscope

Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 21(2), 714–718.

By: S. Huerth n & H. Hallen n

UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2003 journal article

Spectroscopy of voltage dependence of oxygen movement in YBa2Cu3O7-δ

Phys. Rev., B, Condens, Matter Mater. Phys., 67(18), 180506–180501.

By: S. Huerth n, H. Hallen n & B. Moeckly n

Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2003 journal article

Stabilizing wide bandwidth, tuning fork detected force feedback with nonlinear interactions

JOURNAL OF APPLIED PHYSICS, 93(2), 1274–1282.

By: C. Jahncke* & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

The effects of probe boundary conditions and propagation on nano-Raman spectroscopy

JOURNAL OF MICROSCOPY-OXFORD, 210(3), 252–254.

By: H. Hallen n, E. Ayars* & C. Jahncke*

Event: at UK

author keywords: boundary conditions near a metal; electric field enhancement; gradient-field Raman; KTP; light propagation in the near-field; nano-Raman; near-field Raman spectroscopy; near-field scanning optical microscopy; resolution
TL;DR: Raman spectra obtained in the near‐field, with collection of the Raman‐shifted light in reflection, show selective enhancement of vibrational modes, and the enhancement of certain Raman forbidden vibrations is explained by the presence of an electric field gradient near the metal‐apertured fibre probe. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: August 6, 2018

2003 journal article

The electric field at the apex of a near-field probe: implications for nano-Raman spectroscopy

JOURNAL OF RAMAN SPECTROSCOPY, 34(9), 655–662.

By: H. Hallen n & C. Jahncke*

Event: at UK

author keywords: NSOM; SNOM; Raman near-field
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 conference paper

A physical model for wireless channels to provide insights for long range prediction

Proceedings - IEEE Military Communications Conference MILCOM, 1, 627–631.

By: H. Hallen n, A. Duel-Hallen n, S. Hu, T. Yang n & M. Lei n

Event: at Anaheim, CA, United states

TL;DR: A novel model that creates non-stationary datasets to test the previously proposed adaptive long range prediction algorithm, which enables practical realization of adaptive transmission techniques and accurately describes the performance of the algorithm in several scattering environments when prediction is employed with adaptive power control and adaptive modulation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

2002 conference paper

Adaptive modulation for transmitter antenna diversity mobile radio systems

Proceedings IEEE International Symposium on Information Theory, 105.

By: S. Hu, A. Duel-Hallen n & H. Hallen n

Event: at Piscataway, NJ, USA

TL;DR: This work investigates three combined adaptive modulation and transmitter diversity schemes in conjunction with the previously proposed long-range fading channel prediction (LRP) algorithm and demonstrates that the novel combined schemes achieve significantly higher data rates than conventional adaptive modulation methods when aided by the LRP. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

2002 conference paper

Bandwidth enhancement for shear-force feedback by exploiting the nonlinear probe-sample interaction

Proc. of the 7th International Conference on Near-field Optics, NFO-7, 41. Rochester, NY.

By: C. Jahncke & H. Hallen

Event: at Rochester, NY

Source: ORCID
Added: August 13, 2019

2002 journal article

Compact method for optical induction of proximal probe heating and elongation

Appl. Opt., 41(10), 2015–2019.

By: A. Rosa & H. Hallen*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, NC State University Libraries
Added: August 6, 2018

2002 journal article

Dynamics of the tip-sample interaction in near-field scanning optical microscopy and the implications for shear force as an accurate distance measure

APPLIED PHYSICS LETTERS, 81(21), 4055–4057.

By: C. Jahncke*, S. Huerth n, B. Clark n & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 conference paper

Gradient-Field Raman: Selection Rules in the Near Field

Proc. of the 7th International Conference on Near-field Optics, NFO-7, 142. Rochester, NY.

By: C. Jahncke, E. Ayars & H. Hallen

Event: at Rochester, NY

Source: ORCID
Added: August 13, 2019

2002 conference paper

Interferometric method to characterize thermal elongation of near-field optics probes

Proceedings of SPIE - The International Society for Optical Engineering, 4777, 420–423.

By: A. La Rosa*, B. Biehler*, A. Sinharay* & H. Hallen n

Event: at Seattle, WA, United states

author keywords: near-field optics; Fabry-Perot cavity; thermal characterization
Source: ORCID
Added: August 13, 2019

2002 journal article

Raman selection rules in the presence of an electric field gradient

Microscopy and Microanalysis, 8(S02), 1518–1519.

By: C. Jahncke*, E. Ayars* & H. Hallen n

Source: ORCID
Added: August 13, 2019

2002 conference paper

Reliable adaptive modulation using long-range prediction at a different carrier frequency

Proceedings IEEE International Symposium on Information Theory, 359-.

By: T. Yang n, A. Duel-Hallen n & H. Hallen n

Event: at Piscataway, NJ, USA

TL;DR: A statistical model of the prediction error that depends on the frequency and time correlation is developed and is used in the design of reliable adaptive modulation methods and significant gains relative to nonadaptive techniques are demonstrated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

2002 conference paper

Tunnel-Electron-Induced Oxygen Movement in YBa2Cu3O7-δ Measured with Near-Field Optical Microscopy

Proc. of the 7th International Conference on Near-field Optics, NFO-7, 208. Rochester, NY.

By: S. Huerth & H. Hallen

Event: at Rochester, NY

Source: ORCID
Added: August 13, 2019

2001 conference paper

A physical model for wireless channels to understand and test long range prediction of flat fading

Wireless 2001. 13th International Conference on Wireless Communications. Proceedings, 1, 99–107. Calgary, Alta., Canada.

By: H. Hallen, S. Hu, M. Lei & A. Duel-Hallen

Event: at Calgary, Alta., Canada

Source: ORCID
Added: August 13, 2019

2001 journal article

A pulsed jumping ring apparatus for demonstration of Lenz's law

AMERICAN JOURNAL OF PHYSICS, 69(8), 911–916.

By: P. Tanner n, J. Loebach n, J. Cook n & H. Hallen n

Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 article

Fundamental differences between micro- and nano-Raman spectroscopy

Ayars, E. J., Jahncke, C. L., Paesler, M. A., & Hallen, H. D. (2001, April). JOURNAL OF MICROSCOPY-OXFORD, Vol. 202, pp. 142–147.

By: E. Ayars n, C. Jahncke*, M. Paesler n & H. Hallen n

Event: at UK

author keywords: infrared spectroscopy; near-field optical microscopy; Raman spectroscopy
TL;DR: For nano‐Raman spectroscopy with an NSOM, selection rules allow for the detection of active modes with intensity dependent on the field gradient, which can have similar activity as infra‐red absorption modes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2001 conference paper

Selective Transmitter Diversity and Adaptive Power Control for Realistic Mobile Radio Channels

Proceedings of WOC'2001, 178–182. Banff, Canada.

By: S. Hu, A. Duel-Hallen & H. Hallen

Event: at Banff, Canada

Source: ORCID
Added: August 13, 2019

2000 conference paper

Adaptive modulation using long range prediction for flat rayleigh fading channels

IEEE International Symposium on Information Theory - Proceedings, 159 -.

By: S. Hu n, A. Duel-Hallen n & H. Hallen n

Event: at Serrento, Italy

TL;DR: Both numerical and simulation results show that accurate prediction of the fading channel far ahead makes adaptive transmission feasible for rapidly time-varying mobile radio channels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

2000 journal article

Electric field gradient effects in Raman spectroscopy

PHYSICAL REVIEW LETTERS, 85(19), 4180–4183.

By: E. Ayars n, H. Hallen n & C. Jahncke n

TL;DR: A theoretical model is developed for this "gradient-field Raman" effect, which can explain the origin and intensity of some Raman modes observed in SERS and through a near-field optical microscope (NSOM-Raman). (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 journal article

Electromigration in YBa2Cu3O7-delta using a metal clad near-field scanning optical microscope probe

APPLIED PHYSICS LETTERS, 77(14), 2127–2129.

By: S. Huerth n, M. Taylor n, H. Hallen n & B. Moeckly*

Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 conference paper

Long-Range Prediction Makes Adaptive Modulation Feasible for Realistic Mobile Radio Channels

Proc. of 34rd Annual Conference on Information Sciences and Systems CISS'2000, WP4–7 - WP4–13.

By: S. Hu, A. Duel-Hallen & H. Hallen

Source: ORCID
Added: August 13, 2019

2000 journal article

Long-range prediction of fading signals - Enabling adapting transmission for mobile radio channels

IEEE SIGNAL PROCESSING MAGAZINE, 17(3), 62–75.

By: A. Duel-Hallen*, S. Hu* & H. Hallen*

TL;DR: A novel adaptive long-range fading channel prediction algorithm (LRP) and its utilization with adaptive transmission methods are described and results show that long- range prediction makes adaptive transmission techniques feasible for mobile radio channels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 conference paper

Near-Field Scanning Optical Microscopy as an Imaging Tool for Silicon Carrier Processes

Proc. of International Conference on Silicon Dielectric Interfaces. Presented at the Research Triangle Park, NC. Research Triangle Park, NC.

By: H. Hallen & A. Rosa

Event: at Research Triangle Park, NC

Source: ORCID
Added: August 13, 2019

2000 chapter

Near-field Raman spectroscopy: electric field gradient effects

In D. B. Williams & R. Shimizu (Eds.), Microbeam Analysis 2000: proceedings of the Second Conference of the International Union of Microbeam Analysis Societies held in Kailua-Kona, Hawaii, 9-14 July 2000 (Vol. 165, pp. 115–116). Bristol: Institute of Physics Publishing.

By: E. Ayars, M. Paesler & H. Hallen

Ed(s): D. Williams & R. Shimizu

Source: NC State University Libraries
Added: August 6, 2018

2000 conference paper

Near-field Raman spectroscopy: electric field gradient effects

Proceedings of IUMAS 2000, The 2000 Meeting of the International Union of Microbeam Analysis Societies, 165:1, 115. https://books.google.com/books?id=Ay6KGRmX-3gC&q=ayars&f=false#v=snippet&q=ayars&f=false

By: E. Ayars, M. Paesler & H. Hallen

Event: at Kailua-Kona, Hawaii

Source: ORCID
Added: August 13, 2019

2000 conference paper

Optical characterization of YBCO using a near-field scanning optical Microscope

Proceedings of the Southeast Regional Meeting on Optoelectronics, Photonics, and Imaging. Presented at the Charlotte, NC. Charlotte, NC.

By: S. Huerth & H. Hallen

Event: at Charlotte, NC

Source: ORCID
Added: August 13, 2019

2000 journal article

Surface enhancement in near-field Raman spectroscopy

APPLIED PHYSICS LETTERS, 76(26), 3911–3913.

By: E. Ayars n & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

1999 conference paper

Adaptive Power Control Using Long Range Prediction for Realistic Fast Fading Channel Models and Measured Data

5th International Symposium on Communication Theory and Application ISCTA'99, 118–120. https://pdfs.semanticscholar.org/c77a/2149dd49861fd5f3c1c54db7a23fa549f0d6.pdf

By: S. Hu, H. Hallen & A. Duel-Hallen

Source: ORCID
Added: August 13, 2019

1999 conference paper

Adaptive prediction, tracking and power adjustment for frequency non-selective fast fading channels

1999 IEEE Communications Theory Mini-Conference (Cat. No.99EX352), 1–5.

By: T. Eyceoz n, S. Hu n, A. Duee-Hallen & H. Hallen n

Event: at Piscataway, NJ, USA

TL;DR: Analysis of the channel inversion with threshold technique is presented to demonstrate that the BER can be reduced to the level of and beyond the additive white Gaussian noise (AWGN) channel. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

1999 conference paper

Near-Field Scanning Optical Microscopy of Electromigration in YBCO

Proceedings of the Second Asia-Pacific Workshop on Near-field Optics. Presented at the Beijing, China. Beijing, China.

By: S. Huerth, M. Taylor, M. Paesler & H. Hallen

Event: at Beijing, China

Source: ORCID
Added: August 13, 2019

1999 conference paper

Physical channel modeling, adaptive prediction and transmitter diversity for flat fading mobile channel

1999 2nd IEEE Workshop on Signal Processing Advances in Wireless Communications (Cat. No.99EX304), 387–390.

By: S. Hu, H. Hallen* & A. Duel-Hallen

Event: at Piscataway, NJ, USA

TL;DR: The physical insights and unique long-range prediction capability for the fast fading can be used in conjunction with space diversity-including novel transmitter diversity schemes for a single receiving antenna-or adaptive modulation to significantly reduce or eliminate the effects of deep fades in wireless communications. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

1999 conference paper

Transmitter antenna diversity and adaptive signaling using long range prediction for fast fading DS/CDMA mobile radio channels

IEEE Wireless Communications and Networking Conference, WCNC, 2, 824–828.

By: S. Hu n, T. Eyceoz n, A. Duel-Hallen n & H. Hallen n

Event: at New Orleans, LA, United states

TL;DR: It is demonstrated that frequency selective channels encountered in CDMA can also be predicted far ahead, and that the proposed prediction methods can be combined with RAKE receivers to improve performance of the selective transmitter diversity system proposed for the third generation CDMA. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

1998 journal article

Deterministic channel modeling and long range prediction of fast fading mobile radio channels

IEEE Communications Letters, 2(9), 254–256.

By: T. Eyceoz n, A. Duel-Hallen n & H. Hallen n

author keywords: Adaptive coding; fading channels; mobile communications; modeling; prediction methds
TL;DR: This novel approach to fading channel prediction is combined with transmitter signal optimization to mitigate the effects of "deep fades", which severely limit the performance of mobile radio systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

1998 conference paper

Raman spectroscopy: Probing the border between near-field and far-field spectroscopy

Proceedings of SPIE - The International Society for Optical Engineering, 3467, 199–201.

By: H. Hallen n, M. Paesler n & C. Jahncke

Event: at San Diego, CA, United states

UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

1998 conference paper

Using the physics of the fast fading to improve performance for mobile radio channels

IEEE International Symposium on Information Theory - Proceedings, 159 -.

By: T. Eyceoz n, A. Duel-Hallen n & H. Hallen n

Event: at Cambridge, MA, United states

TL;DR: This work exploits the deterministic nature of the fading signals and proposes a novel approach to communication over the fast fading channels to anticipate "deep fades", which severely limit the performance of mobile radio systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

1997 journal article

A shear force feedback control system for near-field scanning optical microscopes without lock-in detection

REVIEW OF SCIENTIFIC INSTRUMENTS, 68(8), 3093–3095.

By: J. Hsu*, A. McDaniel* & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

1997 journal article

A versatile stable scanning proximal probe microscope

REVIEW OF SCIENTIFIC INSTRUMENTS, 68(4), 1759–1763.

By: C. Jahncke n & H. Hallen n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

1997 chapter

Lens

In J. S. Rigden (Ed.), The Macmillan Encyclopedia of Physics. New York: Macmillan.

By: H. Hallen & M. Paesler

Ed(s): J. Rigden

Event: at New York

Source: ORCID
Added: August 13, 2019

1997 journal article

Near-field optical spectroscopy: enhancing the light budget

Microscopy and Microanalysis, 3, 815.

By: M. Paesler, H. Hallen, B. Yakobson, C. Jahncke, P. Boykin & A. Meixner

Source: ORCID
Added: August 13, 2019

1997 journal article

Optical imaging of carrier dynamics in silicon with subwavelength resolution

Applied Physics Letters, 70(13), 1656–1658.

By: A. La Rosa n, B. Yakobson n & H. Hallen n

Source: ORCID
Added: August 13, 2019

1997 conference paper

Prediction of fast fading parameters by resolving the interference pattern

Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136), 1, 167–171.

By: T. Eyceoz n, A. Duel-Hallen n & H. Hallen n

TL;DR: A new deterministic approach to the estimation and prediction of the fading channel by exploiting the physical nature of the flat fading signal will potentially result in the ability to anticipate and avoid "deep fades" which severely limit the performance of wireless communications systems and will aid in the development of low power mobile radio systems. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

1996 conference paper

Imaging of silicon carrier dynamics with near-field scanning optical microscopy

Materials Research Society Symposium - Proceedings, 406, 189–194.

By: A. La Rosa n, B. Yakobson n & H. Hallen n

Event: at Boston, MA, USA

Source: ORCID
Added: August 13, 2019

1996 journal article

Nano-Raman spectroscopy and imaging with a near-field scanning optical microscope

J. Raman Spectrosc., 27(8), 579–586.

By: C. Jahncke n, H. Hallen n & M. Paesler n

Event: at UK

Source: ORCID
Added: August 13, 2019

1996 conference paper

Near-field Raman spectra: Surface enhancement, z-polarization, fiber Raman background and Rayleigh scattering

Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS, 1, 176–177.

By: C. Jahncke n & H. Hallen n

Event: at Boston, MA, USA

Source: ORCID
Added: August 13, 2019

1996 journal article

Penetration of laterally quantized flux lamina into a superconducting wire network

Solid State Communications, 99(9), 651–654.

By: H. Hallen n, A. Chang*, R. Miller*, L. Pfeiffer*, K. West* & H. Hess*

author keywords: superconductors; scanning probe microscopy; flux pinning and creep
Source: ORCID
Added: August 13, 2019

1995 journal article

Near-field scanning optical microscopy and spectroscopy for semiconductor characterization

Physica Status Solidi (A) Applied Research, 152(1), 257–268.

By: H. Hallen n, A. La Rosa n & C. Jahncke n

UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

1995 journal article

Origins and effects of thermal processes on near-field optical probes

Applied Physics Letters, 67(18), 2597–2599.

By: A. La Rosa n, B. Yakobson n & H. Hallen n

Source: ORCID
Added: August 13, 2019

1995 journal article

Raman imaging with near-field scanning optical microscopy

Appl. Phys. Lett., 67(17), 2483–2485.

By: C. Jahncke n, M. Paesler n & H. Hallen n

UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

1995 journal article

Thermal/optical effects in NSOM probes

Ultramicroscopy, 61(1-4), 179–185.

By: B. Yakobson n, A. Larosa n, H. Hallen n & M. Paesler n

UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

1995 conference paper

Thermal/temporal response of the NSOM probe/sample system

Proc. SPIE - Int. Soc. Opt. Eng., 2535, 34–37.

By: H. Hallen n, B. Yakobson n, A. LaRosa n & M. Paesler n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: ORCID
Added: August 13, 2019

1995 journal article

Time as a contrast mechanism in near-field imaging

Ultramicroscopy, 57(2-3), 303–308.

By: A. LaRosa, C. Jahncke & H. Hallen*

Event: at Raleigh, NC, USA

UN Sustainable Development Goal Categories
Source: ORCID
Added: August 13, 2019

1995 conference paper

Time-resolved contrast in near-field scanning optical microscopy of semiconductors

2384, 101–108.

By: A. La Rosa n, C. Jahncke n & H. Hallen n

author keywords: NEAR-FIELD OPTICS; TIME RESOLVED; CARRIER LIFETIME; CARRIER DYNAMICS; SILICON
Source: ORCID
Added: August 13, 2019

1993 chapter

BEEM: A Probe of Nanoscale Modification

In P. Avouris (Ed.), Atomic and Nanometer-Scale Modification of Materials: Fundamentals and Applications (pp. 153–164).

By: H. Hallen & R. Buhrman

Ed(s): P. Avouris

Source: ORCID
Added: August 13, 2019

1993 chapter

Ballistic electron emission microscopy: from electron transport studies to nanoscale materials science

In C. Marrian (Ed.), The Technology of Proximal Probe Lithography (Vol. IS10). Bellingham, WA: SPIE.

By: H. Hallen

Ed(s): C. Marrian

Event: at Bellingham, WA

Source: ORCID
Added: August 13, 2019

1993 journal article

Direct spatial imaging of vortices in a superconducting wire network

Physical Review Letters, 71(18), 3007–3007.

By: H. Hallen*, R. Seshadri*, A. Chang*, R. Miller*, L. Pfeiffer*, K. West*, C. Murray*, H. Hess*

TL;DR: Direct observations of vortices in a square superconducting wire grid imaged using scanning Hall probe microscopy, obtained as a function of the flux per unit cell f by measuring the local magnetic field just above the sample. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: August 13, 2019

1993 conference paper

High-resolution scanning Hall probe microscopy

Proc. SPIE - Int. Soc. Opt. Eng., 1855, 152–157.

By: H. Hallen*, H. Hess*, A. Chang*, L. Pfeiffer*, K. West* & D. Mitzi*

Source: ORCID
Added: August 13, 2019

1992 journal article

Hot electron interactions at the passivated gold-silicon interface

Physical Review Letters, 69(20), 2931–2934.

By: H. Hallen*, T. Huang*, A. Fernandez*, J. Silcox* & R. Buhrman*

TL;DR: A few-eV hot electron is found to stimulate the motion of a gold atom, leading to adatom generation at the surfaces of a Au film, which has similarities to electron-stimulated desorption. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

1992 journal article

Scanning Hall probe microscopy

Appl. Phys. Lett., 61(16), 1974–1976.

By: A. Chang*, H. Hallen*, L. Harriott*, H. Hess*, H. Kao*, J. Kwo*, R. Miller*, R. Wolfe*, J. Ziel*, T. Chang*

Source: ORCID
Added: August 13, 2019

1992 journal article

Scanning Hall-probe microscopy of a vortex and field fluctuations in La1.85Sr0.15CuO4 films

Europhys. Lett. (Switzerland), 20(7), 645–650.

By: A. Chang*, H. Hallen*, H. Hess*, H. Kao*, J. Kwo*, A. Sudbo*, T. Chang*

Event: at Switzerland

Source: ORCID
Added: August 13, 2019

1992 journal article

Scattering and spectral shape in ballistic-electron-emission microscopy of NiSi2-Si(111) and Au-Si samples

Phys. Rev. B, Condens. Matter, 46(11), 7256–7259.

By: H. Hallen*, A. Fernandez*, T. Huang*, J. Silcox* & R. Buhrman*

TL;DR: The ballistic-electron-emission microscopy tip voltage versus collector current spectral shape is used as a tool to study Au-Si and NiSi-2 samples on a nanometer scale and suggests that the shape of the spectra is influenced by scattering. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

1991 journal article

Ballistic electron emission microscopy studies of the NiSi2/Si(111) interface

J. Vac. Sci. Technol. B, Microelectron. Process. Phenom., 9(2), 590–593.

By: A. Fernandez, H. Hallen, T. Huang, R. Buhrman & J. Silcox

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

1991 journal article

Elastic scattering in ballistic-electron-emission-microscopy studies of the epitaxial NiSi2/Si(111) interface

Phys. Rev. B, Condens. Matter, 44(7), 3428–3431.

By: A. Fernandez*, H. Hallen*, T. Huang*, R. Buhrman* & J. Silcox*

TL;DR: The sensitivity of BEEM to mechanisms which broaden the angular distribution of the injected electrons for transport through a Si(111) interface is demonstrated and spatially localized increases in ballistic transmission rates are observed. (via Semantic Scholar)
Source: ORCID
Added: August 13, 2019

1991 journal article

Gold-silicon interface modification studies

J. Vac. Sci. Technol. B, Microelectron. Process. Phenom., 9(2), 585–589.

By: H. Hallen*, A. Fernandez*, T. Huang*, R. Buhrman* & J. Silcox*

Source: ORCID
Added: August 13, 2019

1990 journal article

Ballistic electron studies and modification of the Au/Si interface

Appl. Phys. Lett., 57(26), 2826–2828.

By: A. Fernandez*, H. Hallen*, T. Huang*, R. Buhrman* & J. Silcox*

Source: ORCID
Added: August 13, 2019

1988 journal article

A structural and electrical comparison of thin SiO2 films grown on silicon by plasma anodization and rapid thermal processing to furnace oxidation

J. Appl. Phys., 63(10), 5027–5035.

By: S. Nelson*, H. Hallen* & R. Buhrman*

Source: ORCID
Added: August 13, 2019

1988 conference paper

Coupled Josephson local oscillator and detector experiments in the tetrahertz regime

Proc. SPIE - Int. Soc. Opt. Eng., 879, 65–68.

By: R. Robertazzi*, H. Hallen* & R. Buhrman*

Source: ORCID
Added: August 13, 2019

1987 journal article

Measurement of the superconducting energy gap in La-Ba-Cu oxide and La-Sr-Cu oxide

Phys. Rev. B, Condens. Matter, 35(10), 5330–5333.

By: P. Sulewski*, A. Sievers*, S. Russek*, H. Hallen*, D. Lathrop* & R. Buhrman*

TL;DR: The FIR measurements reveal an energy gap below T/sub c/ with, depending on the measurement criterion used, values of 2..delta../k/sub B/T/ sub c/ of 1.3--1.95 for La-Ba-Cu oxide and 1.6--2.7 for La -Sr- Cu oxide, which are lower than expected for a BCS superconductor. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 13, 2019

Employment

Updated: December 29th, 2017 20:48

1993 - present

North Carolina State University Raleigh, NC, US
Professor Physics Department

1991 - 1993

AT&T Bell Labs Murray Hill, NJ, US

Education

Updated: December 29th, 2017 20:44

1980 - 1991

Cornell University Ithaca, NY, US
Ph.D., M.S., B.S. Applied and Engineering Physics

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