Broadband THz bandpass filters based on multi-layered metasurfaces

被引：0

作者：

Maleki, Ali ^{[1
]}

Singh, Avinash ^{[1
]}

Jaber, Ahmed ^{[1
]}

Cui, Wei ^{[1
]}

Xin, Yongbao ^{[2
]}

Sullivan, Brian T. ^{[2
]}

Boyd, Robert W. ^{[1
,3
,4
,5
]}

Menard, Jean -Michel ^{[1
,3
]}

机构：

[1] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada

[2] Indian Spectral Technol Ltd, Ottawa, ON K1G 6R8, Canada

[3] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON K1N 6N5, Canada

[4] Univ Rochester, Inst Opt, New York, NY 14627 USA

[5] Univ Rochester, Dept Phys & Astron, New York, NY 14627 USA

来源：

2023 48TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ | 2023年

关键词：

D O I：

10.1109/IRMMW-THz57677.2023.10298972

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：

We present a terahertz (THz) bandpass filter design based on four superimposed metasurfaces. The devices feature a spectral transmission with a flat passband region at T = 0.65 and a stopband rejection larger than similar to 40 dB. The two regions are separated by steep roll-offs with a slope of 85 dB/octave. Because of their unique filtering properties, these devices enable new applications for weak signal detection in THz research and industry.

引用

页数：2

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