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Proceedings Paper

Surface test of continuous phase plate with stitching technique
Author(s): Rongzhu Zhang
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Paper Abstract

In high power laser system, continuous phase plate (CPP) is used as a beam smoothing element. Different from traditional plane or spherical elements, the surface of CPP is more complex. Since the surface information with mid-spatial-frequency of a CPP cannot be treated as a kind of noise, so it is difficult to test and analyze the surface quality by ordinary interferometer. The stitching method is used to test CPP. The basic principle and technological process of the test are introduced. The surface shape of a CPP is recovered successfully by using this method.

Paper Details

Date Published: 20 May 2009
PDF: 5 pages
Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72831D (20 May 2009); doi: 10.1117/12.834195
Show Author Affiliations
Rongzhu Zhang, Sichuan Univ. (China)


Published in SPIE Proceedings Vol. 7283:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; James C. Wyant; Robert A. Smythe; Hexin Wang, Editor(s)

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