A NEW TYPE OF POLARIZATION PHASE-SHIFTER FOR PHASE-SHIFTING INTERFEROMETRY

被引:0
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作者
SU, DC
SHYU, LH
机构
来源
OPTIK | 1992年 / 90卷 / 02期
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中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A new type of polarization phase shifter for phase shifting interferometry is presented. It is very simple and does not have any nonlinear errors as those in a conventional phase shifter PZT. It is suitable not only for a two-path interferometer, but also for a common-path interferometer. In addition to demonstrating its feasibility, it is introduced into a Twyman-Green interferometer to test a plane mirror and a good result is obtained.
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页码:53 / 56
页数:4
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