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平板型光子晶体液晶微谐振腔的温度特性

, PP. 303-307

Keywords: 光电子学,温度特性,时域有限差分法,平板型光子晶体,液晶微谐振腔

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Abstract:

在二维光子晶体薄板的中心空气孔中填充厚度与光波长相当的液晶材料,形成平板型光子晶体液晶微谐振腔结构。用时域有限差分法研究了液晶微谐振腔的温度特性,并用Matlab编程进行了数值计算。计算结果表明,由于液晶折射率是温度的函数以及微腔对光波传输的约束,当温度升高时微谐振腔的透射峰波长向长波长方向移动,透射峰半高宽度减小,品质因子增大,谐振波长和品质因子随填充因子与平板厚度的变化曲线向增大方向移动,接近液晶相变点时微腔的温度特性变化更迅速。平板型光子晶体液晶微谐振腔的温度特性,为可调光子晶体器件的设计提供了理论基础。

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