Hussain Askari

Works (2)

Updated: March 1st, 2025 05:01

2024 article

Distortion of Focal Plane in Flattened 2D Luneburg Lens

2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024, pp. 2109–2110.

By: Y. Oh n, H. Askari n & J. Adams n 

topics (OpenAlex): Optical Coatings and Gratings; Optical measurement and interference techniques; Advanced optical system design
Sources: Web Of Science, NC State University Libraries
Added: February 24, 2025

2023 journal article

Low Profile GRIN Lenses With Integrated Matching Using 3-D Printed Ceramic

IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION, 4, 12–22.

By: Y. Oh n, N. Kordsmeier n, H. Askari n & J. Adams n 

author keywords: Lenses; Permittivity; Apertures; Horn antennas; Ceramics; Three-dimensional displays; Reflection; Horn; GRIN lens; high permittivity ceramic; quarter wavelength matching; tapered matching; unit cells; 3D print
topics (OpenAlex): Microwave Engineering and Waveguides; Antenna Design and Analysis; Advanced Antenna and Metasurface Technologies
TL;DR: This paper investigates a shortened horn antenna with high gain that is enabled by a 3D-printed gradient index (GRIN) lens composed of high permittivity zirconia and results show good agreement with simulations, including gain performance equivalent to a horn of 2.4x longer length. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: March 13, 2023

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