Cylindrical-water-resonator-based ultrabroadband microwave absorber

Jian REN; Jia Yuan YIN

doi:10.1364/OME.8.002060

Cylindrical-water-resonator-based ultrabroadband microwave absorber

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Overview

66 Scopus Citations

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Author(s)

Jian REN
Jia Yuan YIN

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Detail(s)

Original language	English
Pages (from-to)	2060-2071
Journal / Publication	Optical Materials Express
Volume	8
Issue number	8
Online published	2 Jul 2018
Publication status	Published - 1 Aug 2018

Link(s)

DOI	DOI https://doi.org/10.1364/OME.8.002060 Final Published version
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Attachment(s)	Documents 24891098.pdf Final Published version, 4.16 MB, PDF Publisher's Copyright Statement © 2019 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85050274984&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(ee174526-8375-4e86-a284-79c58a681741).html

Abstract

In this study, a cylindrical-water-resonator-based absorber with an ultra-broad operating band at microwave wavelengths is demonstrated theoretically and experimentally. By utilizing the dielectric resonator mode, spoof surface plasmon polariton mode, and grating mode of the cylindrical water resonator, the proposed absorber exhibits an absorptivity higher than 90% over almost the entire ultra-broad operating band from 5.58 to 24.21 GHz, with a relative bandwidth as high as 125%. The angular tolerance and thermal stability of the proposed absorber are simulated, and the results indicate that the absorber performs well in a wide range of angles of incidence and exhibits a weak dependence on the water temperature. The low cost, ultra-broad operating band, good wide-angle characteristics, and thermal stability make the absorber promising for applications in antenna measurement, stealth technology, and energy harvesting.