A Frequency Selective Surface Based Reconfigurable Rasorber With Switchable Transmission/Reflection Band
- Authors
- Bakshi, Saikat Chandra; Mitra, Debasis; Ghosh, Saptarshi
- Issue Date
- Jan-2019
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Frequency selective surface (FSS); PIN diodes; rasorber; reconfigurable structures
- Citation
- IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, v.18, no.1, pp 29 - 33
- Pages
- 5
- Journal Title
- IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
- Volume
- 18
- Number
- 1
- Start Page
- 29
- End Page
- 33
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/44905
- DOI
- 10.1109/LAWP.2018.2878858
- ISSN
- 1536-1225
1548-5757
- Abstract
- In this letter, a reconfigurable rasorber has been designed based on switching activity of frequency selective surface (FSS) and resistive FSS. The proposed design consists of two periodic layers separated from each other by an air spacer. The upper layer comprising lumped resistors assists wide absorption band (above 90% absorption) from 3.8 to 10.3 GHz (entire C and partial X Band), whereas PIN diodes are mounted in the bottom layer to enable the switching operation of the rasorber at S-Band. The novelty of the proposed design lies in its reconfigurable transmission/reflection band, which switches from a bandpass response (at around 2.88 GHz) to perfect reflection, with the control of the biasing states of the diode. A sample prototype is also fabricated and experimentally verified. Wide absorption band along with switchable transmission/reflection band characteristics have made the proposed rasorber an excellent choice for various radar cross section reduction applications.
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