Absolute calibration of null correctors using twin computer-generated holograms

Proteep C. V. Mallik; Rene Zehnder; James H. Burge; Alexander Poleshchuk

doi:10.1117/12.681035

14 August 2006 Absolute calibration of null correctors using twin computer-generated holograms

Proteep C. V. Mallik, Rene Zehnder, James H. Burge, Alexander Poleshchuk

Proceedings Volume 6292, Interferometry XIII: Techniques and Analysis; 62920H (2006) https://doi.org/10.1117/12.681035
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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.

Citation Download Citation

Proteep C. V. Mallik, Rene Zehnder, James H. Burge, and Alexander Poleshchuk "Absolute calibration of null correctors using twin computer-generated holograms", Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 62920H (14 August 2006); https://doi.org/10.1117/12.681035

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