Ultra-Thin Metasurface Absorbers for Subterahertz Band: Theoretical Aspects and Detector Applications

被引：0
|
作者：
Kuznetsov, Sergei A. [1 ,2 ]
Arzhannikov, Andrei V. [1 ,3 ]
Fedorinin, Victor N. [1 ]
Nikolaev, Nazar [4 ]
机构：
[1] RAS, SB, Rzhanov Inst Semicond Phys, Novosibirsk Branch TDIAM, Novosibirsk, Russia
[2] Novosibirsk State Univ, Novosibirsk, Russia
[3] RAS, SB, Budker Inst Nucl Phys, Novosibirsk, Russia
[4] RAS, SB, Inst Automat & Electrometry, Novosibirsk, Russia
来源：
2018 48TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2018年
关键词：
terahertz metamaterials; submillimeter-wave devices; radiation detectors;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The results of theoretical and experimental investigations of high-performance ultra-thin metasurface absorbers designed for narrow-band operation at subterahertz frequencies are presented. Implemented in a high-impedance surface configuration with a deep-subwavelength thin ground polypropylene substrate, the absorbers are intended for using as the photo-sensitive layers in wavelength-selective thermal detectors. A compact closed-form equivalent circuit formulation verified by full-wave simulations, as well as the route towards an optimal design of the spectrometric absorber are discussed. In addition, a spectrometric array of metasurface-absorber-integrated pyroelectric detectors with spectral peak sensitivities positioned in the range of 0.094-1 THz and providing the selectivity bandwidth of several per cent is described.
引用
收藏
页码：416 / 419
页数：4
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