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20202026
most citedImproving the quality of active millimeter wave standoff imaging by incorporating the cross-polarized scattering

7 citations · 10 across the 5 of their papers we have counts for

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physics.optics2026

Millimeter-Wave Gaussian-to-Flat-Top Beam Shaping Using a Single-Curvature Lens: A Novel Approach

Ehsan Imanbeygi, Mohammad Hossein Koohi Ghamsari, Mehdi Ahmadi-Boroujeni

This paper presents a novel method for converting the divergent Gaussian intensity distribution of a millimeter-wave source into a uniform (flat-top) distribution using a single cu…

physics.optics2026★ 2 cited

Single-sided lens terahertz flat-top beam shaping in the Fresnel region

Ehsan Imanbeygi, Mohammad Hossein Koohi Ghamsari, Mehdi Ahmadi-Boroujeni +1

In this paper, a novel, to our knowledge, analytical approach is introduced for the design of a single-sided plano-convex lens (PCL) capable of terahertz (THz) flat-top beam shapin…

physics.optics2026★ 1 cited

Confocal ellipsoidal displaced Gregorian structure for stand-off millimeter-wave imaging

Mohammad Hossein Koohi Ghamsari, Mehdi Ahmadi-Boroujeni

Reflective-based structures are favorable candidates as the optical section of millimeter-wave and terahertz (THz) stand-off imaging systems due to decreasing frequency-dependent l…

physics.optics2022

Design and Optimization of Gregorian-based Reflector Systems for THz Imaging System Optics

Mohammad Ghamsari, Mehdi Ahmadi-boroujeni, Saeed Babanejad

Application of reflector antenna configurations in designing the optical section of terahertz imaging systems has attracted great attention during recent years. Advantages of refle…

physics.optics2020

A wide band low profile linear cross polarizer for millimeter wave applications

Shiva Hajitabarmarznaki, Mehdi Ahmadi-Boroujeni, Seyedeh Zahra Shojaeian +3

In this article, two wide band high-efficiency metasurface structures as a linear-cross polarizer in transmission mode based on asymmetric split-ring resonators (ASRR) are proposed…