Wavefront control for a segmented deployable space telescope

David C. Redding; Scott A. Basinger; David Cohen; Andrew E. Lowman; Fang Shi; Pierre Y. Bely; Charles W. Bowers; Richard Burg; Laura A. Burns; Pamela S. Davila; Bruce H. Dean; Gary E. Mosier; Todd A. Norton; Peter Petrone III; Brendon D. Perkins; Mark E. Wilson

doi:10.1117/12.393971

28 July 2000 Wavefront control for a segmented deployable space telescope

David C. Redding, Scott A. Basinger, David Cohen, Andrew E. Lowman, Fang Shi, Pierre Y. Bely, Charles W. Bowers, Richard Burg, Laura A. Burns, Pamela S. Davila, Bruce H. Dean, Gary E. Mosier, Todd A. Norton, Peter Petrone III, Brendon D. Perkins, Mark E. Wilson

Author Affiliations +

Proceedings Volume 4013, UV, Optical, and IR Space Telescopes and Instruments; (2000) https://doi.org/10.1117/12.393971
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

By segmenting and folding the primary mirror, quite large telescopes can be packed into the nose cone of a rocket. Deployed after launch, initial optical performance can be quite poor, due to deployment errors, thermal deformation, fabrication errors and other causes. We describe an automatic control system for capturing, aligning, phasing, and deforming the optics of such a telescope, going from initial cm-level wavefront errors to diffraction-limited observatory operations. This system was developed for the Next Generation Space Telescope and is being tested on the NGST Wavefront Control Testbed.

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David C. Redding, Scott A. Basinger, David Cohen, Andrew E. Lowman, Fang Shi, Pierre Y. Bely, Charles W. Bowers, Richard Burg, Laura A. Burns, Pamela S. Davila, Bruce H. Dean, Gary E. Mosier, Todd A. Norton, Peter Petrone III, Brendon D. Perkins, and Mark E. Wilson "Wavefront control for a segmented deployable space telescope", Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); https://doi.org/10.1117/12.393971

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