量子电子学报, 2018, 35 (4): 408, 网络出版: 2018-08-24   

基于Labview的分振幅激光偏振动态检测研究

Division-of-amplitude laser polarization dynamic detection based on Labview
作者单位
河南师范大学物理与材料科学学院, 河南 新乡 453007
摘要
基于分振幅法激光偏振态检测原理,设计了一个新的激光偏振态动态检测系统。 使入射激光进入三组能对光束偏振方向进行改变的光路:偏振分束镜,半波片与偏振分束镜, 偏振波片与偏振分束镜。探测出射光束的光强功率值,在Labview自定义坐标系中展示待测激光偏振态。 检测结果表明线偏振光、圆偏振光、椭圆偏振光的偏振态分别为纺锤形、圆形、椭圆形;随着入射激光 偏振态的改变,检测结果会发生动态变化。
Abstract
Based on the principle of division-of-amplitude laser polarization state detection, a new dynamic detection system for laser polarization is designed. The incident laser is made into three light paths which can change the beam polarized direction, polarized beam splitter, half-wave plate and polarized beam splitter, polarized wave plate and polarized beam splitter. The light intensity power value of outgoing beam is detected. Polarization state of the laser to be measured is shown in Labview custom coordinate system. The measurement results show that the polarized states of linear polarized light, circular polarized light and elliptical polarized light are spindle-shaped, circular, elliptical. With the change of incident laser polarization state, the detection results will change dynamically.

李宁馨, 秦朝朝, 于可新. 基于Labview的分振幅激光偏振动态检测研究[J]. 量子电子学报, 2018, 35(4): 408. LI Ningxin, QIN Chaochao, YU Kexin. Division-of-amplitude laser polarization dynamic detection based on Labview[J]. Chinese Journal of Quantum Electronics, 2018, 35(4): 408.

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