Laser polarization imaging method based on frequency-shifted optical feedback

被引：4
|
作者：
Deng, Shiwei [1 ,2 ]
Liu, Weixin [3 ]
Shen, Hua [1 ,2 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Peoples R China
[2] Nanjing Univ Sci & Technol, MIIT Key Lab Adv Solid Laser, Nanjing 210094, Peoples R China
[3] Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Envi, Weihai 264209, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2023年 / 161卷
基金：
中国国家自然科学基金;
关键词：
Laser feedback; Self -mixing interference; Polarization imaging; MUELLER MATRIX; TOMOGRAPHY;
D O I：
10.1016/j.optlastec.2022.109099
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The traditional laser feedback imaging techniques ignore the polarization effect, and only a single scattering information is obtained. In this paper, polarization imaging method based on frequency-shifted optical feedback is proposed, which is simple and suitable for most laser feedback imaging configurations. Using the polarization effect of self-mixed heterodyne interference, the separation and further processing of the target information can be realized. Taking the laser confocal feedback imaging system as an example, the effectiveness in information acquisition and anti-specular reflection noise is verified by experiments. This method, which combines polarization imaging with laser feedback imaging techniques, demonstrates great potential in applications of the industrial and medical fields.
引用
收藏
页数：9
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