Non-metallic magnetostatically tunable metasurface absorber for terahertz waves

被引：0

作者：

Clemente-Arenas, Mark ^{[1
]}

Rubio-Noriega, Ruth E. ^{[2
]}

Urbina, Julio, V ^{[3
]}

Lakhtakia, Akhlesh ^{[4
]}

机构：

[1] Univ Nacl Tecnol Lima Sur, Grp Circuitos Sistemas Elect & Alta Frecuencia, VES, Av Bolivar & Av Cent, Lima 15834, Peru

[2] Univ Nacl Ingn, Inst Nacl Invest & Capacitac Telecomunicac, Lima 15023, Peru

[3] Penn State Univ, Sch Elect Engn & Comp Sci, University Pk, PA 16802 USA

[4] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2024年 / 41卷 / 03期

关键词：

POLARIZATION; METAMATERIALS;

D O I：

10.1364/JOSAB.509647

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A non-metallic metasurface absorber containing VO2, InSb, and Teflon has been designed, simulated, and investigated for normally incident plane waves in the terahertz spectral regime. When the temperature exceeds 72(degrees)C, a backing layer of VO2 in its rutile phase instead of a conventional metal virtually eliminates transmission. Peak absorptance as high as 0.998, quality factor on the order of 200, and magnetostatic tunability of about 16 GHz T-1 are achievable. Such metasurfaces can be made using standard microfabrication techniques. (c) 2024 Optica Publishing Group

引用

页码：691 / 697

页数：7

共 48 条

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