Performance of wavefront sensing and control algorithms on a segmented telescope testbed

Scott A. Basinger; David C. Redding; Andrew E. Lowman; Laura A. Burns; Karen Y. Liu; David Cohen

doi:10.1117/12.394010

28 July 2000 Performance of wavefront sensing and control algorithms on a segmented telescope testbed

Scott A. Basinger, David C. Redding, Andrew E. Lowman, Laura A. Burns, Karen Y. Liu, David Cohen

Proceedings Volume 4013, UV, Optical, and IR Space Telescopes and Instruments; (2000) https://doi.org/10.1117/12.394010
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

We have developed a focus-diverse phase retrieval algorithm to measure and correct wavefront errors in segmented telescopes, such as the Next Generation Space Telescope. These algorithms incorporate new phase unwrapping techniques imbedded in the phase retrieval algorithms to measure aberrations larger than one wave. Through control of a deformable mirror and other actuators, these aberrations are successfully removed from the system to make the system diffraction limited. Results exceed requirements for the Wavefront Control Testbed. An overview of these techniques and performance results on the Wavefront Control Testbed are presented.

Citation Download Citation

Scott A. Basinger, David C. Redding, Andrew E. Lowman, Laura A. Burns, Karen Y. Liu, and David Cohen "Performance of wavefront sensing and control algorithms on a segmented telescope testbed", Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); https://doi.org/10.1117/12.394010

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available