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LiNbO3晶体纳秒级光开关的研究
引用本文:张百顺,吴朝辉,周健,王首长,黄荔,郭强. LiNbO3晶体纳秒级光开关的研究[J]. 量子电子学报, 2012, 29(1): 39-44
作者姓名:张百顺  吴朝辉  周健  王首长  黄荔  郭强
作者单位:1 解放军炮兵学院1系 安徽 合肥 230031; 2 中国科学院安徽光学精密机械研究所激光技术与应用研究室 安徽 合肥 230031; 3 安徽光子器件与材料省级实验室 安徽 合肥230031
摘    要:LiNbO3晶体由于其透光范围广,响应速度快,不易潮解等特点而广泛用于高精度和高速光开关快门。为了将LiNbO3光开关曝光时间拓宽到纳秒领域从而弥补现有的高速光开关的不足,文章阐述了LiNbO3作为光开关理论原理,对多波段通光的晶体长宽比进行了优化设计,并对LiNbO3纳秒级光开关的可行性进行了实验验证。实验半波电压与理论符合很好,实验光信号和电信号在纳秒级范围内能实现同步响应。研究结果证实了LiNbO3光开关在纳秒级范围内的可行性,并为LiNbO3纳秒级光开关的制作提供了理论和实验依据。

关 键 词:光电子学  纳秒  LiNbO3  光开关
收稿时间:2011-02-22
修稿时间:2011-03-21

Research of a nanosecond optical switching with LiNbO3 crystal
ZHANG Bai-shun , WU Zhao-hui , ZHOU Jian , WANG Shou-zhang , HUANG Li , GUO Qiang. Research of a nanosecond optical switching with LiNbO3 crystal[J]. Chinese Journal of Quantum Electronics, 2012, 29(1): 39-44
Authors:ZHANG Bai-shun    WU Zhao-hui    ZHOU Jian    WANG Shou-zhang    HUANG Li    GUO Qiang
Affiliation:1 Department of N0.1, Artillery Academy of PLA, Hefei  230031, China; 2 Laboratory of  Laser Technology & Applications, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei  230031, China; 3 Laboratory of Photonic Devices & Materials, Anhui Province, Hefei 230031, China
Abstract:LiNbO3 crystal was widely used as high precision and high-speed switching shutters because of its features of wide wave band,fast response,non-easy deliquescence and so on.In order to expand exposure time of optical switching of LiNbO3 to nanosecond field so as to make up defects of extant high-speed optical switching,theoretical principles of LiNbO3 were explained as optical switching,and its aspect ratio for multi-band lights was optimized and the feasibility of LiNbo3 as a nanosecond optical switching was verified.Experimental half-wave voltages match theoretical values well.Experimental results also show that optical signal has synchronous response to electric signal.Results verify the feasibility of LiNbO3 as a nanosecond optical switching and provide theoretical and experimental foundations for the manufacturing of the optical switching.
Keywords:optoelectronics  nanosecond  LiNbO3  optical switching
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