3D-tapered resonators for FSSs with incident angle independence

Azemi, S, Baum, T, Ghorbani, K and Rowe, W 2017, '3D-tapered resonators for FSSs with incident angle independence', IET Microwaves, Antennas and Propagation, vol. 11, no. 15, pp. 2228-2234.

Document type: Journal Article
Collection: Journal Articles

Title 3D-tapered resonators for FSSs with incident angle independence
Author(s) Azemi, S
Baum, T
Ghorbani, K
Rowe, W
Year 2017
Journal name IET Microwaves, Antennas and Propagation
Volume number 11
Issue number 15
Start page 2228
End page 2234
Total pages 7
Publisher The Institution of Engineering and Technology
Abstract A three-dimensional (3D) frequency selective surface (FSS) with a response that is independent of incident angle is presented in this study. The proposed FSS is a periodic array of 3D hollow-tapered resonators. The proposed 3D FSS has reduced sensitivity to the angle of incidence of the electromagnetic wave compared with other 2D and 3D FSSs as a result of tapered structure. The transverse electric (TE) and transverse magnetic (TM) incident angle independences are obtained by tapering the width of a cylinder with a square cross-section from the upper opening to the lower opening. Impressive frequency stability and transmission characteristics have been achieved up to 80° for both TE and TM incidence angles. The principles of operation along with guidelines for the design of the proposed FSS structures are presented in this study. A prototype of the proposed 3D-tapered FSS is also fabricated and tested using a free-space measurement system to verify performance.
Subject Electrical and Electronic Engineering not elsewhere classified
Antennas and Propagation
Keyword(s) electromagnetic wave propagation
frequency selective surfaces
free space measurement system
square cross-section
electromagnetic wave
tapered structure
3D hollow tapered resonators
incident angle
impressive frequency stability
incident angle independence
frequency selective surface
transmission characteristics
DOI - identifier 10.1049/iet-map.2016.0954
Copyright notice © The Institution of Engineering and Technology 2017
ISSN 1751-8725
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