光学学报, 2009, 29 (7): 1987, 网络出版: 2009-07-20   

一维向列相液晶光子晶体的研究

Investigation of One-Dimensional Photonic Crystal with Nematic Liquid Crystal
作者单位
1 哈尔滨工程大学 理学院, 黑龙江 哈尔滨 150001
2 中国科学院长春光学精密机械与物理研究所 应用光学国家重点实验室, 长春 吉林 130033
摘要
从理论和实验相结合的角度, 研究了一维液晶光子晶体透射谱特性。实验给出了不同液晶缺陷层电压下的透射谱, 电压范围在0~10 V内, 透射峰的相对透过率变化为48%~18%, 禁带宽度290 nm调谐范围88 nm, 透射峰半峰全宽7 nm。理论计算和实验结果比较接近, 这些特性可以使一维液晶光子晶体用于调谐光滤波器和光开关。
Abstract
Transmission spectra characteristics of one dimension (1-D) photonic crystal (PC) with nematic liquid crystal (NLC) are investigated theoretically and experimentally. Transmission spectra of 1D PC with NLC under different applied voltage were obtained in experiment . With the voltage range from 0 V to 10 V, it shows that relative transmittance of transmission peak is from 48% to 18%, range of photonic band gaps (PBG) is 290 nm, tunable range is 88 nm, full width at half maximum (FWHM) of the transmission peaks is 7 nm. Theoretical result is closed to experimental result comparatively. These properties can make 1-D PC with NLC be applied to tunable optical filters or optical switches.
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刘永军, 连佳, 鲁兴海, 宣丽. 一维向列相液晶光子晶体的研究[J]. 光学学报, 2009, 29(7): 1987. Liu Yongjun, Lian Jia, Lu Xinghai, Xuan Li. Investigation of One-Dimensional Photonic Crystal with Nematic Liquid Crystal[J]. Acta Optica Sinica, 2009, 29(7): 1987.

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