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期刊论文

Liquid crystal photonic bandgap fiber: differentbandgap transmissions at differenttemperature ranges

刘艳格Jiangbing Du Yange Liu* Zhi Wang Bing Zou Bo Liu and Xiaoyi Dong

10 October 2008/Vol.47, No.29/APPLIED OPTICS 5321-2324,-0001,():

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摘要/描述

The temperature tuning properties of a liquid crystal (LC) photonic bandgap fiber's bandgap transmissionwas investigated in this study. Because of the special temperature responses of the LC's indices andits phase transition property, the bandgap transmission was found to have different temperature responsesat different temperature ranges below the LC's clearing point temperature. At temperatureslower or higher than the LC's clearing point, the bandgap transmissions are quite different, which permitsswitching with an extinction ratio as large as 45 dB. At temperatures around the LC's clearing point,the bandgap transmission was depressed.

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