Water metamaterial for ultra-broadband and wide-angle absorption

Jianwen Xie, Weiren Zhu, Ivan D. Rukhlenko, Fajun Xiao, Chong He, Junping Geng, Xianling Liang, Ronghong Jin, Malin Premaratne

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A subwavelength water metamaterial is proposed and analyzed for ultra-broadband perfect absorption at microwave frequencies. We experimentally demonstrate that this metamaterial shows over 90% absorption within almost the entire frequency band of 12–29.6 GHz. It is also shown that the proposed metamaterial exhibits a good thermal stability with its absorption performance almost unchanged for the temperature range from 0 to 100°C. The study of the angular tolerance of the metamaterial absorber shows its ability of working at wide angles of incidence. Given that the proposed water metamaterial absorber is low-cost and easy for manufacture, we envision it may find numerous applications in electromagnetics such as broadband scattering reduction and electromagnetic energy harvesting.

Original languageEnglish
Pages (from-to)5052-5059
Number of pages8
JournalOptics Express
Volume26
Issue number4
DOIs
Publication statusPublished - 19 Feb 2018

Cite this

Xie, J., Zhu, W., Rukhlenko, I. D., Xiao, F., He, C., Geng, J., ... Premaratne, M. (2018). Water metamaterial for ultra-broadband and wide-angle absorption. Optics Express, 26(4), 5052-5059. https://doi.org/10.1364/OE.26.005052
Xie, Jianwen ; Zhu, Weiren ; Rukhlenko, Ivan D. ; Xiao, Fajun ; He, Chong ; Geng, Junping ; Liang, Xianling ; Jin, Ronghong ; Premaratne, Malin. / Water metamaterial for ultra-broadband and wide-angle absorption. In: Optics Express. 2018 ; Vol. 26, No. 4. pp. 5052-5059.
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Xie, J, Zhu, W, Rukhlenko, ID, Xiao, F, He, C, Geng, J, Liang, X, Jin, R & Premaratne, M 2018, 'Water metamaterial for ultra-broadband and wide-angle absorption' Optics Express, vol. 26, no. 4, pp. 5052-5059. https://doi.org/10.1364/OE.26.005052

Water metamaterial for ultra-broadband and wide-angle absorption. / Xie, Jianwen; Zhu, Weiren; Rukhlenko, Ivan D.; Xiao, Fajun; He, Chong; Geng, Junping; Liang, Xianling; Jin, Ronghong; Premaratne, Malin.

In: Optics Express, Vol. 26, No. 4, 19.02.2018, p. 5052-5059.

Research output: Contribution to journalArticleResearchpeer-review

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Xie J, Zhu W, Rukhlenko ID, Xiao F, He C, Geng J et al. Water metamaterial for ultra-broadband and wide-angle absorption. Optics Express. 2018 Feb 19;26(4):5052-5059. https://doi.org/10.1364/OE.26.005052