Null Compensator Testing Convex Freeform Surface Mirror with CGH Technology

Zhong Yu Zhang; Bin Zhi Zhang

doi:10.4028/www.scientific.net/AMR.660.163

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 660Null Compensator Testing Convex Freeform Surface...

Null Compensator Testing Convex Freeform Surface Mirror with CGH Technology

Abstract:

The Computer Generated Hologram（CGH）technique is the main method for optical testing the free form surface .For testing a convex free form surface mirror, a CGH element with the surface testing, interferometer and free form mirror precise position function was designed by use of appropriative software, the testing precision was less than 0.011λ（λ=632.8nm）in RMS value by this means.

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Periodical:

Advanced Materials Research (Volume 660)

Pages:

163-166

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.660.163

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Online since:

February 2013

Authors:

Zhong Yu Zhang, Bin Zhi Zhang

Keywords:

Computer Generated Hologram, Freeform Surfaces, Null Compensator Testing, Precision Testing

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