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Asal Malekara on Muck Rack

Asal Malekara

As seen in: Nature, Optica
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Articles

Single-layer quad-band FSR with enhanced angular stability for S- and C-band applications

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By Asal Malekara, Changiz Ghobadi, Javad Nourinia, Amin Khalilzadegan
| Nature Verified
Abstract A single-layer, polarization-insensitive frequency-selective rasorber (FSR) with quad-band absorption performance is proposed. The presented FSR is developed by integrating a quad-band resonant absorber and a single bandpass frequency-selective surface (FSS) on opposite sides of an FR4 substrate. In the absorption bands, the top layer effectively absorbs electromagnetic waves, while the backside FSS functions as a reflector.
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Polarization-insensitive graphene-based band-notched frequency selective absorber at terahertz

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By Javad Nourinia, Changiz Ghobadi, Asal Malekara
| Optica Verified
This paper introduces a new polarization-insensitive graphene-based frequency selective absorber (FSA) with a reflective notch designed for terahertz applications. The proposed structure features two absorption bands on either side of a central reflection band. The design composes a lossy frequency selective surface (FSS), a bandstop FSS with a metal backing, and an air spacer between.
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