基于激光自混合效应的微角度测量实验教学研究  

Experimental Teaching Research of Micro-angle Measurement Based on Laser Self-mixing Effect

作　　者：吕亮[1] 张耒 胡俊[1] LÜLiang;ZHANG Lei;HU Jun(School of Physics and Optoelectronics Engineering,Anhui University,Hefei 230601,China)

机构地区：[1]安徽大学物理与光电工程学院,安徽合肥230601

出　　处：《大学物理实验》2024年第1期7-10,共4页Physical Experiment of College

基　　金：国家自然科学基金(62275001);2022年教育部第二批产学合作协同育人项目(220604090245226);2022年度安徽省学术和技术带头人及后备人选科研活动经费资助项目(2022H293);安徽省质量工程(2022lhpysfjd014,2022jyjxggyj115)。

摘　　要：为了丰富大学实验教学内容,本文提出了一种新型微角度测量方法。该方法运用激光自混合干涉技术并结合直角棱镜的光学特性,具有系统结构紧凑、分辨率高等特点。实验中采用氦氖激光器为光源,测量范围可达21.49 mrad。该实验操作性及拓展性较强,可进一步培养学生的实践能力和科研思维。To enrich the content of university experiment teaching,a new micro-angle measurement method is proposed.The method uses laser self-mixing interference technology and combines the optical characteristics of right-angle prisms,which get the features of a compact system structure and high resolution.The experiment is conducted with a He-Ne laser as the light source,and the measurement range can reach 21.49 mrad.Benefiting from strong operability and expansibility,the proposed experiment can further cultivate students’practical ability and scientific thinking.

关 键 词：自混合效应 角度测量 光学测量 

分 类 号：G642[文化科学—高等教育学]