Effect of retro-reflector diameter on testing optical systems

Thomas E. Carter II; Paul K. Manhart; Kenneth S. Ellis

doi:10.1117/12.368212

5 October 1999 Effect of retro-reflector diameter on testing optical systems

Thomas E. Carter II, Paul K. Manhart, Kenneth S. Ellis

Author Affiliations +

Proceedings Volume 3779, Current Developments in Optical Design and Optical Engineering VIII; (1999) https://doi.org/10.1117/12.368212
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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.

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Thomas E. Carter II, Paul K. Manhart, and Kenneth S. Ellis "Effect of retro-reflector diameter on testing optical systems", Proc. SPIE 3779, Current Developments in Optical Design and Optical Engineering VIII, (5 October 1999); https://doi.org/10.1117/12.368212

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