Bi-Layer Metasurfaces for Dual and Broadband Terahertz Antireflection

被引：0
|
作者：
Chen, Hou-Tong [1 ]
Chang, Chun-Chieh [1 ]
Huang, Li [2 ]
机构：
[1] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA
[2] Harbin Inst Technol, Phys Dept, Harbin, Peoples R China
来源：
2017 42ND INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2017年
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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：
y Here we demonstrate self-aligned bi-layer metallic metasurfaces that accomplish dual and broadband terahertz antireflection. Numerical simulations and experimental measurements show that excellent antireflection performance can be achieved by simply tailoring the geometry of the subwavelength structures. This flexible antireflection scheme can be applied to substrates with arbitrary refractive indices and scalable to operate over a wide spectral range.
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