薄透镜焦距测量方法的研究  

Study of Thin Lens Focal Length Measurement Method

作　　者：李伟[1,2] 张丽巍 曹文[1,2] 刘松江[1,2] 

机构地区：[1]东北石油大学,黑龙江大庆163318 [2]黑龙江省高校校企共建测试计量技术及仪器仪表工程研发中心,黑龙江大庆163318

出　　处：《大学物理实验》2014年第1期34-36,共3页Physical Experiment of College

基　　金：黑龙江省高等教育教学项目(JG2012010099);东北石油大学教学改革项目

摘　　要：对测量薄凸透镜焦距的实验方法进行研究,分析传统实验方法产生较大测量误差的原因,针对这些原因对传统测量方法进行改进,提出了放大率法,并与传统的测量方法进行精度比较,使用新方法所得的误差小于传统方法。The experimental methods to measure the thin lens focal length are studied. The reasons why the traditional experimental methods have greater errors are analyzed. According to these causes, improved method is proposed. The magnification ratio law is derived, the measuring accuracy is a- chieved and is compared to the traditional method. The results using the novel method has smaller error comparing to traditional methods.

关 键 词：透镜焦距 放大率法 测微目镜 

分 类 号：O434[机械工程—光学工程]