Works (35)

Updated: July 5th, 2023 16:01

2012 journal article

Flexible Liquid Metal Alloy (EGaIn) Microstrip Patch Antenna

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 60(5), 2151–2156.

By: G. Hayes n, J. So n, A. Qusba n, M. Dickey n  & G. Lazzi*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: EGaIn antenna; flexible microstrip patch antenna; liquid metal antenna; multi-layer; polydimethylsiloxane (PDMS)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

A frequency shifting liquid metal antenna with pressure responsiveness

APPLIED PHYSICS LETTERS, 99(1).

By: M. Khan n, G. Hayes n, J. So n, G. Lazzi* & M. Dickey n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Computation of Induced Current Densities in the Human Body at Low Frequencies Due to Contact Electrodes Using the ADI-FDTD Method

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, 52(3), 537–544.

By: V. Singh n, A. Ajeet n, N. Kwatra n, C. Cela, J. Ziriax, J. D'Andrea, G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: D-H ADI-FDTD; HEMI devices; impedance method; low frequency computational bioelectromagnetics; neuron recruitment volume
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Noise Correlation in Compact Diversity Receivers

IEEE TRANSACTIONS ON COMMUNICATIONS, 58(5), 1426–1436.

By: C. Domizioli n, B. Hughes n, K. Gard n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Antenna arrays; mutual coupling; noise; receivers; diversity methods
Source: Web Of Science
Added: August 6, 2018

2009 conference paper

Computational and experimental bioelectromagnetics for a retinal prosthesis

ICEAA: 2009 International Conference on Electromagnetics in Advanced Applications, vols 1 and 2, 978–980.

By: G. Lazzi

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

2009 journal article

Reversibly Deformable and Mechanically Tunable Fluidic Antennas

ADVANCED FUNCTIONAL MATERIALS, 19(22), 3632–3637.

By: J. So  n, J. Thelen n, A. Qusba n, G. Hayes n, G. Lazzi n & M. Dickey n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

Specific Absorption Rate and Current Densities in the Human Eye and Head Induced by the Telemetry Link of an Epiretinal Prosthesis

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 57(10), 3110–3118.

By: V. Singh n, A. Qusba n, A. Roy *, R. Castro*, K. McClure*, R. Dai*, R. Greenberg*, J. Weiland *, M. Humayun*, G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Bioelectromagnetics; finite-difference time-domain (FDTD); specific absorption rate (SAR)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

A comparison of two and three dimensional dipole antennas for an implantable retinal prosthesis

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 56(3), 622–629.

By: S. Soora*, K. Gosalia*, M. Humayun* & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: current vector alignment; implantable antenna; meander line antenna; miniature antenna; retinal prosthesis; three dimensional (3D) antenna
Source: Web Of Science
Added: August 6, 2018

2008 conference paper

Finite difference formulation to calculate the induced current density profile inside the retina by a microcoil array

2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, 3074–3077. [Piscataway, NJ]: IEEE.

By: S. Srinivas, J. George & G. Lazzi

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

2008 article

Mutual Coupling Effects in MIMO MRC Systems with Limited Feedback

GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE.

By: Y. Dong n, B. Hughes n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2008 journal article

On the degrees of freedom in linear array systems with tri-polarized antennas

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 7(7), 2458–2462.

By: G. Gupta n, B. Hughes n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: MIMO; polarized antenna; degrees of freedom
Source: Web Of Science
Added: August 6, 2018

2008 conference paper

On the design of telemetry coils and implantable small antennas for a retinal prosthesis to restore partial vision to the blind

2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, 592–594. [Piscataway, NJ]: IEEE.

By: G. Lazzi, A. Qusba & V. Singh

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

2008 conference paper

On the use of vector antennas embedded on fabric as frequency selective surfaces

2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, 1208–1211.

By: G. Gupta n, A. Rajagopalan n, B. Pourdeyhimi n  & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2008 article

Optimal Front-End Design for MIMO Receivers

GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE.

By: C. Domizioli n, B. Hughes n, K. Gard n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Increasing channel capacity of an ultrawideband MIMO system using vector antennas

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 55(10), 2880–2887.

By: A. Rajagopalan n, G. Gupta  n, A. Konanur*, B. Hughes n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: multiple-input multiple-output (MIMO) antenna; multiple-input multiple-output (MIMO) channel capacity; ultrawideband (UWB) antenna; vector antenna
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Cole-Cole dispersion models for aqueous gelatin-syrup dielectric composites

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 44(2), 351–355.

By: P. Buff n, M. Steer n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Cole-Cole; dielectric composite; gelatin; soil
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Tunable waveguiding in electrically programmable VO2-based photonic crystals

JOURNAL OF APPLIED PHYSICS, 99(11).

By: D. Xiao n, K. Kim n, G. Lazzi n & J. Zavada*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Impedance matching and implementation of planar space-filling dipoles as intraocular implanted antennas in a retinal prosthesis

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 53(8), 2365–2373.

By: K. Gosalia*, M. Humayun* & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: implanted antennas; miniature antennas; planar meander dipole antennas; retinal prosthesis
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Increasing wireless channel capacity through MIMO systems employing co-located antennas

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 53(6), 1837–1844.

By: A. Konanur n, K. Gosalia n, S. Krishnamurthy n, B. Hughes n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: loop antenna; multiple-input multiple-output (MIMO) antenna; vector antenna
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Thermal effects of bioimplants

IEEE ENGINEERING IN MEDICINE AND BIOLOGY MAGAZINE, 24(5), 75–81.

By: G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Animals; Body Temperature; Burns / etiology; Burns / physiopathology; Computer Simulation; Energy Transfer; Equipment Failure Analysis / methods; Hot Temperature / adverse effects; Humans; Models, Biological; Prosthesis Failure; Risk Assessment / methods; Risk Factors; Thermography / methods
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Investigation of a microwave data telemetry link for a retinal prosthesis

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 52(8), 1925–1933.

By: K. Gosalia n, G. Lazzi n & M. Humayun*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: antenna coupling; data telemetry; dosimetry; retinal prosthesis
Source: Web Of Science
Added: August 6, 2018

2004 article

Special issue on medical applications and biological effects of RF/microwaves - Guest editorial

Lazzi, G., Gandhi, O. P., & Ueno, S. (2004, August). IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol. 52, pp. 1853–1855.

By: G. Lazzi n, O. Gandhi* & S. Ueno *

co-author countries: Japan πŸ‡―πŸ‡΅ United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Thermal elevation in the human eye and head due to the operation of a retinal prosthesis

IEEE Transactions on Biomedical Engineering, 51(8), 1469–1477.

By: K. Gosalia, J. Weiland, M. Humayun & G. Lazzi

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

2004 journal article

Use of the FDTD thin-strut formalism for biomedical telemetry coil designs

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 52(8), 1952–1956.

By: S. Schmidt n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: biomedical telemetry; coils; electromagnetic coupling; finite-difference time-domain (FDTD) methods; numerical stability; thin-strut formulation
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A modified unsplit PML formulation for evanescent mode absorption in waveguides

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 13(6), 220–222.

By: M. Ozkar n, G. Lazzi n & A. Mortazawi*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: evanescent waves; FDTD; unsplit PML
Source: Web Of Science
Added: August 6, 2018

2003 journal article

An arbitrary waveform stimulus circuit for visual prostheses using a low-area multibias DAC

IEEE JOURNAL OF SOLID-STATE CIRCUITS, 38(10), 1679–1690.

By: S. DeMarco n, W. Liu n, P. Singh  n, G. Lazzi n, M. Humayun* & J. Weiland *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: age-related macular degeneration; digital-to-analog converter (DAC); electrical stimulation; retinal prosthesis; retinitis pigmentosa; visual prosthesis
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Computed SAR and thermal elevation in a 0.25-mm 2-D model of the human eye and head in response to an implanted retinal stimulator - Part I: Models and methods

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(9), 2274–2285.

By: S. DeMarco n, G. Lazzi n, W. Liu n, J. Weiland * & M. Humayun*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: age-related macular degeneration; finite-difference time domain (FDTD); retina prosthesis; retinitis pigmentosa; specific absorption rate (SAR); stimulator IC; temperature; thermal simulation
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Computed SAR and thermal elevation in a 0.25-mm 2-D model of the human eye and head in response to an implanted retinal stimulator - Part II: Results

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(9), 2286–2295.

By: G. Lazzi n, S. DeMarco n, W. Liu n, J. Weiland * & M. Humayun*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: age-related macular degeneration; finite-difference time domain (FDTD); retina prosthesis; retinitis pigmentosa; specific absorption rate (SAR); stimulator IC; temperature; thermal simulation
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Extension and validation of a perfectly matched layer formulation for the unconditionally stable D-H FDTD method

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 13(8), 345–347.

By: S. Schmidt n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: ADI; FDTD methods; PML ABC
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Reduced size, dual-polarized microstrip patch antenna for wireless communications

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(9), 2182–2186.

By: K. Gosalia n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: compact microstrip antenna; dual polarization
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Two-dimensional SPICE-linked multiresolution impedance method for low-frequency electromagnetic interactions

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 50(7), 881–889.

By: M. Eberdt n, P. Brown n & G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: dosimetry; electromagnetic modeling; induced fields; numerical modeling
MeSH headings : Animals; Brain / physiology; Computer Simulation; Electric Impedance; Electric Stimulation; Electrodes; Electromagnetic Fields; Eye; Finite Element Analysis; Humans; Models, Biological; Muscles / physiology; Radiometry / methods; Reproducibility of Results; Retina / physiology; Sensitivity and Specificity; Software
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Retinal prosthesis for the blind

Survey of Ophthalmology, 47(4), 335–356.

By: E. Margalit, M. Maia, J. Weiland, R. Greenberg*, G. Fujii, G. Torres, D. Piyathaisere, T. O'Hearn ...

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Blindness / therapy; Electric Stimulation / instrumentation; Humans; Implants, Experimental; Optic Nerve Diseases / therapy; Photic Stimulation / instrumentation; Prosthesis Design; Retinal Diseases / therapy; Safety
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Unconditionally stable D-H FDTD formulation with anisotropic PML boundary conditions

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 11(4), 149–151.

By: G. Lazzi n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: ADI; FDTD methods; PML
Source: Web Of Science
Added: August 6, 2018

2000 journal article

A mixed FDTD-integral equation approach for on-site safety assessment in complex electromagnetic environments

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 48(12), 1830–1836.

By: G. Lazzi* & O. Gandhi*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: dosimetry; finite-difference time-domain (FDTD) methods; synthetic aperture radar (SAR) computation
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Use of PML absorbing layers for the truncation of the head model in cellular telephone simulations

IEEE Transactions on Microwave Theory and Techniques, 48(11 pt.2), 2033–2039.

By: G. Lazzi, O. Gandhi & D. Sullivan

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