Liquid crystal infiltrated waveguide with distributed Bragg reflectors

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/51041

Title:	Liquid crystal infiltrated waveguide with distributed Bragg reflectors
Authors:	Cai,DP;Pan,HY;Tsai,JF;Chiu,HK;Nian,SC;Chang,SH;Chen,CC;Lee,CC
Contributors:	光電科學與工程學系
Keywords:	PHOTONIC BANDGAP FIBERS;SILICON;CORE
Date:	2011
Issue Date:	2012-03-27 18:16:24 (UTC+8)
Publisher:	國立中央大學
Abstract:	The electrically tunable band-pass filter in the visible light region is demonstrated by the liquid-crystal infiltrated waveguide formed by the distributed Bragg reflectors with the length of 3 mm. As the white light source is launched in the waveguide, by applying the external voltages from 0 to 30 V(rms), the dynamic control of filter characteristics can be achieved to tune the color of the output light from white light to red, yellow or green. The intensity of the output light can also be attenuated by applying the voltage. The 25 dB attenuation can be achieved as the applied voltage is as low as 9 V(rms). (C) 2011 Optical Society of America
Relation:	OPTICAL MATERIALS EXPRESS
Appears in Collections:	[Department of Optics and Photonics] journal & Dissertation

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