新型液晶位相共轭镜及其性能测试  

A Novel Liquid Crystal Optical Phase Conjugate Mirror and Its Properties Testing

作　　者：张学明[1] 郭转运[1] 叶嘉雄[2] 

机构地区：[1]南开大学现代光学研究所 [2]华中理工大学光电工程系

出　　处：《光电工程》1996年第2期42-46,共5页Opto-Electronic Engineering

基　　金：国家自然科学基金

摘　　要：介绍了一种由向列型液晶和非晶硅光导层组成的新型光学位相共轭镜，分析了该器件产生位相共轭波的原理，通过实验测试了器件的性能。测试表明，该器件有灵敏度高（２０μＷ／ｃｍ２）、响应速度快（５ｍｓ）、分辨率高（７７ｌｐ／ｍｍ）、以及光谱响应范围宽、结构紧凑等特点。A novel liquid crystal optical phase conjugate mirror consisting of nematic liquid crystal and amorphous silicon (α Si∶H)photoconductor is introduced in the paper.Its principle of the phase conjugation wave produced by the device is analused.The properties of the device is tested by the experiments.The testing shows that the device has high sensitivity(20 μW/cm 2),fast response speed(5 ms),high resolution(77 lp/mm),the wide spectral response range and an impact structure.

关 键 词：非晶硅 性能测试 液晶位相共轭镜 

分 类 号：TH740.6[机械工程—光学工程]