An Electrically Tunable Terahertz Filter Based on Liquid-Crystal-Filled Slits with Wall Corrugations

An Electrically Tunable Terahertz Filter Based on Liquid-Crystal-Filled Slits with Wall Corrugations

We propose a type of hollow planar waveguide with corrugated walls, which can realize electrically tunable terahertz (THz) filtering by filling the slit with liquid crystals. When the THz signals propagate in a planar waveguide with periodic corrugations, the transmission spectrum always exhibits ma...

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Bibliographic Details
Main Authors: Shi-Yang Zhang, Jing Ma, Hai-Ling He, Cheng-Guo Tong, Huan Liu, Ya-Xian Fan, Zhi-Yong Tao
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Photonics
Subjects:
periodic waveguides
narrow linewidth filter
electrical tuning
Online Access:https://www.mdpi.com/2304-6732/9/12/894

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