基于Labview的分振幅激光偏振动态检测研究

J4 ›› 2018, Vol. 35 ›› Issue (4): 408-413.

基于Labview的分振幅激光偏振动态检测研究

李宁馨，秦朝朝，于可新

河南师范大学物理与材料科学学院，河南新乡 453007

收稿日期:2018-03-07 修回日期:2018-05-17 出版日期:2018-07-28 发布日期:2018-07-12
通讯作者: 秦朝朝

Division-of-amplitude laser polarization dynamic detection based on Labview

LI Ningxin, QIN Chaochao, YU Kexin

College of Physics and Materials Science, Henan Normal University, Xinxiang 453007, China

Received:2018-03-07 Revised:2018-05-17 Published:2018-07-28 Online:2018-07-12

摘要/Abstract

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：偏振分光棱镜，半波片与偏振分光棱镜，偏振波片与偏振分光棱镜。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。

关键词: 激光物理；偏振态检测；分振幅；动态检测；Labview

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.

Key words: laser physics；polarization detection；division-of-amplitude; dynamic detection；labview

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]. J4, 2018, 35(4): 408-413.

LI Ningxin, QIN Chaochao, YU Kexin. Division-of-amplitude laser polarization dynamic detection based on Labview[J]. J4, 2018, 35(4): 408-413.

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