volume | PIER Journals

2013-12-12

Design and Analysis of New Compact UWB Frequency Selective Surface and Its Equivalent Circuit

Nagendra Kushwaha,

Dr. Nagendra Kushwaha

Department of Electronics Engg.

DIAT (Deemed University)

India

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Raj Kumar,

Dr. Raj Kumar

Department of Electronics Engineering

Defence Institute of Advanced Technology (Deemed University)

India

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Raghupatruni Ram Krishna,

Dr. Raghupatruni Ram Krishna

Department of Electrical Engineering

Gokhale Education Society's R H Sapat College of Engineering, Management Studies and Research

India

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Tuhina Oli

Dr. Tuhina Oli

Research Scholar DIAT (DU)

India

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Progress In Electromagnetics Research C, Vol. 46, 31-39, 2014

doi:10.2528/PIERC13100908 | Google Scholar

Abstract

A compact, low profile, dual polarized, ultra wideband, frequency selective surface is proposed. It is designed by using two similar metallic array structures separated by dielectric material FR4. The simulated reflection bandwidth (with transmission < -20 dB) for TE incident wave is 8 GHz from 2.87 GHz to 10.87 GHz corresponds to 116%. The unit cell dimension and periodicity are of the order of 0.37λ at the centre frequency. The overall thickness of the proposed FSS is 1.8 mm. The proposed FSS has higher order of band-stop response and good angular stability. The measured transmission response of FSS is very close to simulated response. Design expressions for the resonance frequencies are proposed, and the calculated results are found to be in good agreement with the simulated ones. Finally, a parametric analysis of the proposed FSS is presented.

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Nagendra Kushwaha, Raj Kumar, Raghupatruni Ram Krishna, and Tuhina Oli, "Design and Analysis of New Compact UWB Frequency Selective Surface and Its Equivalent Circuit," Progress In Electromagnetics Research C, Vol. 46, 31-39, 2014.
doi:10.2528/PIERC13100908

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