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Title: Design of dual-polarized and angular stable new bandpass frequency selective surface in X-band
Authors: Bharti, Garima
Jha, Kumud Ranjan
Singh, Ghanshyam
Jyoti, Rajeev
Keywords: Oblique incidence
Perpendicular and parallel polarization
Issue Date: 2016
Publisher: Jaypee University of Information Technology, Solan, H.P.
Abstract: In this paper, a new geometrical shape of the bandpass modified circular ring frequency selective surface (FSS) structure with significant electrical response such as angular stability up to 50◦ of the angle-of-incidence (AOI) for both the perpendicular (TE) and parallel (TM) polarized waves has been discussed. The geometrical parameters of the proposed bandpass FSS is obtained by the transformation of bandpass single square loop FSS structure parameters. To achieve the frequency response of the proposed bandpass structure, commercially available 3D electromagnetic simulators such as CST Microwave Studio and Ansoft HFSS are used. The proposed bandpass FSS structure provides significant angular (i.e., up to 50◦) and polarization (i.e., perpendicular and parallel) stability as compared to that of various other reported literatures. In addition to this, one of the important characteristics of the resonant structure is the quality factor (Q-factor), which has also been discussed for the proposed bandpass FSS structure at different AOI
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