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Proceedings Paper

Effect of retro-reflector diameter on testing optical systems
Author(s): Thomas E. Carter; Paul K. Manhart; Kenneth S. Ellis
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Paper Abstract

In the use of ball bearings as retro-reflectors for testing optical systems in a double pass configurations, care must be taken when choosing the radius of the ball bearing. Using too small a radius can adversely effect the wavefront error as presented by the interferometer. The wavefront error, being a function of wavelength, can be significantly altered due to this ball bearing error, particularly in long wavelength IR systems tested with a visible light interferometer. This paper is the result of research towards understanding and modeling this error in the presence of spherical aberration.

Paper Details

Date Published: 5 October 1999
PDF: 6 pages
Proc. SPIE 3779, Current Developments in Optical Design and Optical Engineering VIII, (5 October 1999); doi: 10.1117/12.368212
Show Author Affiliations
Thomas E. Carter, Raytheon Systems Co. (United States)
Paul K. Manhart, Raytheon Systems Co. (United States)
Kenneth S. Ellis, Raytheon Systems Co. (United States)


Published in SPIE Proceedings Vol. 3779:
Current Developments in Optical Design and Optical Engineering VIII
Robert E. Fischer; Warren J. Smith, Editor(s)

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