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Proceedings Paper

Limits for interferometer calibration using the random ball test
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Paper Abstract

The random ball test (RBT), also known as the CaliBall test, is often used to calibrate interferometer transmission spheres. This paper provides a way to estimate the total errors remaining after interferometer calibration using the RBT. Errors that cannot be removed by calibration include random errors due to measurement noise in the calibration, geometric errors, and errors due to diffraction. The random errors can be reduced by averaging multiple random ball tests. The geometric errors and diffraction errors are systematic, and arise when the radius of the CaliBall is different from that of the test optic.

Paper Details

Date Published: 21 August 2009
PDF: 12 pages
Proc. SPIE 7426, Optical Manufacturing and Testing VIII, 74260U (21 August 2009); doi: 10.1117/12.828503
Show Author Affiliations
Ping Zhou, College of Optical Sciences, The Univ. of Arizona (United States)
James H. Burge, College of Optical Sciences, The Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 7426:
Optical Manufacturing and Testing VIII
James H. Burge; Oliver W. Fähnle; Ray Williamson, Editor(s)

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