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Proceedings Paper

Alignment and testing of piston and aberrations of a segmented mirror
Author(s): Qian Gong; William Eichhorn
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Paper Abstract

This paper describes measuring and aligning segmented mirrors with Point Diffraction Interferometer (PDI). It discusses how to use the different coherent lengths of the selected light sources to simplify the piston error adjustment process. It addresses the theory behind the experiment, models the experimental setup, analyzes the data, and discusses the result. The procedure of using PDI to adjust the piston error is provided.

Paper Details

Date Published: 20 August 2005
PDF: 10 pages
Proc. SPIE 5869, Optical Manufacturing and Testing VI, 586912 (20 August 2005); doi: 10.1117/12.613657
Show Author Affiliations
Qian Gong, Swales Aerospace (United States)
William Eichhorn, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 5869:
Optical Manufacturing and Testing VI
H. Philip Stahl, Editor(s)

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