TALBOT INTERFEROMETRY IN NONCOLLIMATED ILLUMINATION FOR CURVATURE AND FOCAL LENGTH MEASUREMENTS

被引：35

作者：

SRIRAM, KV

KOTHIYAL, MP

SIROHI, RS

机构：

[1] Department of Physics, Applied Optics Laboratory, Indian Institute of Technology, Madras

来源：

APPLIED OPTICS | 1992年 / 31卷 / 01期

关键词：

OPTICAL TESTING; SELF-IMAGING; TALBOT INTERFEROMETRY;

D O I：

10.1364/AO.31.000075

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a simple method for measuring the radius of curvature by using Talbot interferometry in a noncollimated light beam. This scheme can also be used to determine the focal length of the collimating lens employed in the setup. Results of the measurements are presented. A discussion of achievable accuracies and the proper choice of parameters is included.

引用

页码：75 / 79

页数：5

共 11 条

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