A thermally tunable terahertz metamaterial absorber

Wei Zheng; Wei Li; Sheng-jiang Chang

doi:10.1007/s11801-015-4193-0

Optoelectronics Letters ›› , Vol. 11 ›› Issue (1) : 18-21. DOI: 10.1007/s11801-015-4193-0

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A thermally tunable terahertz metamaterial absorber

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Abstract

A thermally tunable terahertz metamaterial absorber (MA) with InSb embedded in a metal-dielectric-metal structure is proposed. The transmission and tuning properties of the proposed metamaterial absorber are analyzed for the temperature ranging from 160 K to 350 K. The simulated results show that the maximum absorption of the absorber is nearly 99.8% at a full-width at half-maximum (FWHM) of 38 GHz, and the absorption frequency can be dynamically tuned from 0.82 THz to 1.02 THz.

Keywords

InSb / Dielectric Layer / Physical Review Letter / Apply Physic Letter / Absorption Frequency

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Wei Zheng, Wei Li, Sheng-jiang Chang. A thermally tunable terahertz metamaterial absorber. Optoelectronics Letters, , 11(1): 18‒21 https://doi.org/10.1007/s11801-015-4193-0

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This work has been supported by the National Basic Research Program of China (No.2014CB339800), the National High Technology Research and Development Program of China (No.2011AA010205), and the National Natural Science Foundation of China (Nos.61171027 and 10904076).