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Proceedings Paper

Absolute calibration of null correctors using twin computer-generated holograms
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Paper Abstract

We present a method for a cascading null test using twin computer-generated holograms to calibrate errors in null correctors. This will allow us to test large aspheres an order of magnitude better than current limits. We discuss various sources of CGH errors and how to calibrate them. We also mention some ways to measure and calibrate the errors in the test optics.

Paper Details

Date Published: 14 August 2006
PDF: 8 pages
Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 62920H (14 August 2006); doi: 10.1117/12.681035
Show Author Affiliations
Proteep C. V. Mallik, College of Optical Sciences, Univ. of Arizona (United States)
Rene Zehnder, College of Optical Sciences, Univ. of Arizona (United States)
James H. Burge, College of Optical Sciences, Univ. of Arizona (United States)
Alexander Poleshchuk, Institute of Automation and Electrometry (Russia)


Published in SPIE Proceedings Vol. 6292:
Interferometry XIII: Techniques and Analysis
Katherine Creath; Joanna Schmit, Editor(s)

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