基于光线追迹的单频激光多重回馈效应研究

曾召利;杜双格;张晓军;刘渊声;尚永兵;李维娜;张敏

应用光学 ›› 2015, Vol. 36 ›› Issue (4) : 639-643.

应用光学 ›› 2015, Vol. 36 ›› Issue (4) : 639-643. DOI: 10.5768/JAO201536.0407001

基于光线追迹的单频激光多重回馈效应研究

  • 曾召利,杜双格,张晓军,刘渊声,尚永兵,李维娜,张敏
作者信息 +

Single frequency laser multiple feedback effects based onray tracing method

  • Zeng Zhao-li,Du Shuang-ge,Zhang Xiao-jun,Liu Yuan-sheng,Shang Yong-bing,Li Wei-na,Zhang Min
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摘要

提出一种基于非准直平凹回馈腔的单频激光多重回馈光线追迹模型,采用该模型阐明了单频激光多重回馈效应的产生机理,分析了多重回馈高分辨率条纹的特性,明确了影响多重回馈条纹形状的主要因素,包括回馈镜的倾角、曲率半径、反射率以及回馈外腔长等,获得了回馈镜在不同倾角时的有效回馈阶次及其耦合系数。光线追迹分析与实验结果表明:当回馈镜倾斜角为1.7时,多重回馈效应会产生调制幅度均匀、没有大包络的高分辨率回馈条纹,每个条纹的分辨率可达/50。

Abstract

A ray tracing model of multiple optical feedback with asymmetric plane-concave cavity was presented. With this model, the generation mechanism of highresolution fringes in single frequency laser multiple feedback was elaborated. Also, the affecting factors of fringe-shape were analyzed, including tilted angle, curvature, reflectivity of feedback mirror and length of external cavity. In addition, the effective feedback order and coupling efficiency of feedback beams with different tilted angles were obtained. Theory analysis and experimental results show that the high-resolution feedback fringes without envelopment can be obtained when the tilted angle is 1.7. In particular, the resolution of feedback fringes can be /50, which is very important to explore high-precision displacement measurement system.

关键词

多重回馈 / 非准直外腔 / 单频激光 / 激光回馈

Key words

multiple feedback / laser feedback / single frequency laser / asymmetric external cavity

引用本文

导出引用
曾召利, 杜双格, 张晓军, 刘渊声, 尚永兵, 李维娜, 张敏. 基于光线追迹的单频激光多重回馈效应研究. 应用光学. 2015, 36(4): 639-643 https://doi.org/10.5768/JAO201536.0407001
Zeng Zhao-li, Du Shuang-ge, Zhang Xiao-jun, Liu Yuan-sheng, Shang Yong-bing, Li Wei-na, Zhang Min. Single frequency laser multiple feedback effects based onray tracing method. Journal of Applied Optics. 2015, 36(4): 639-643 https://doi.org/10.5768/JAO201536.0407001

基金

国家自然科学基金资助项目(61405247)

参考文献

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