Measurement of a long radius of curvature using a half-aperture bidirectional shearing interferometer

被引：21
作者：
Lee, YW
Cho, HM
Lee, IW
机构：
[1] Korea Res. Inst. of Std. and Science, Optics Standards Laboratory, Yusong, Taejeon 305-600
[2] Kyungbook National University, Tague
来源：
OPTICAL ENGINEERING | 1996年 / 35卷 / 02期
关键词：
radius of curvature; bidirectional shearing interferometer; fringe width;
D O I：
10.1117/1.600919
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 long radius of curvature by using a half-aperture bidirectional shearing interferometer. The method is based on the direct comparison of the fringe widths in the two fields. This is very convenient for quantitative interpretation of the fringes. Detailed analyses for optical arrangements and achievable accuracy are presented. (C) 1996 Society of Photo-Optical Instrumentation Engineers.
引用
收藏
页码：480 / 483
页数：4
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