Shape measurement by active homodyne phase-stepping in a fibre optic fringe projector

被引：0

作者：

Moore, AJ ^{[1
]}

McBride, R ^{[1
]}

Barton, JS ^{[1
]}

Jones, JDC ^{[1
]}

机构：

[1] Heriot Watt Univ, Dept Mech & Chem Engn, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

14TH INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS | 2000年 / 4185卷

关键词：

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe an extension of the active homodyne feedback technique in order to produce stabilised, pi /2 radian phase steps in a full-field interferometer used to project interference fringes onto a test-object and hence to measure its shape. The phase stability and accuracy of each step was measured to be 17 milliradians in a 50 Hz bandwidth.

引用

页码：692 / 695

页数：4

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