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

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.

Citation Download Citation

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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