Electrically Controlled Liquid Crystal Phase Grating for Terahertz Waves

Title:	Electrically Controlled Liquid Crystal Phase Grating for Terahertz Waves
Authors:	Lin, Chia-Jen Lin, Chuan-Hsien Li, Yu-Tai Pan, Ru-Pin Pan, Ci-Ling 電子物理學系光電工程學系 Department of Electrophysics Department of Photonics
Keywords:	Liquid crystal devices;phase grating;submillimeter wave;terahertz (THz) radiation;tunable circuits and devices;ultrafast optics
Issue Date:	1-May-2009
Abstract:	This work demonstrates the feasibility of electrically controlled liquid-crystal-based phase grating for manipulating the terahertz (THz) waves. This device can be utilized as a THz beam splitter and the beam splitting ratio of the zeroth- to the first-order diffractions can be tuned from 10 : 1 to 1: 1.
URI:	http://dx.doi.org/10.1109/LPT.2009.2017382 http://hdl.handle.net/11536/7299
ISSN:	1041-1135
DOI:	10.1109/LPT.2009.2017382
Journal:	IEEE PHOTONICS TECHNOLOGY LETTERS
Volume:	21
Issue:	9-12
Begin Page:	730
End Page:	732
Appears in Collections:	Articles

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