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Title: Integrated liquid crystal optical switch based on total internal reflection
Authors: Zhang, A
Chan, KT
Demokan, S
Chan, VWC
Chan, PCH 
Kwok, HS
Chan, AHP
Keywords: Integrated optics
Liquid crystal devices
Optical switches
Light reflection
Silicon compounds
Liquid crystals
Refractive index
Optical variables control
Optical design techniques
Issue Date: 17-May-2005
Publisher: American Institute of Physics
Source: Applied physics letters, 2005, v. 86, 211108 p. 1-3 How to cite?
Journal: Applied physics letters 
Abstract: An optical switch structure which combines a planar lightwave circuit and liquid crystal is proposed and experimentally demonstrated. The switching is realized by inducing total internal reflection through controlling the refractive index of the liquid crystal. The principle and the design of the integrated optical switch are described. Experimental results suggest that anchoring of the liquid crystal molecules on nonplanar structures is very crucial in affecting the switching performance.
ISSN: 0003-6951
Rights: © 2005 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Zhang A. et al. Appl. Phys. Lett. 86, 211108 (2005) and may be found at
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