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Proceedings Paper

Optical state estimation using wavefront data
Author(s): David C. Redding; Norbert Sigrist; John Z. Lou; Yan Zhang; Paul D. Atcheson; Daniel Scott Acton; William L. Hayden
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Paper Abstract

The use of wavefront measurements to deduce the state of multiple optics in a telescope beam train - their misalignments and figure errors - can be confused by the fact that there are multiple potential sources for the same measured error. This talk applies Kalman filtering techniques as a tool for separating true telescope errors from artifactual testing errors in the alignment and testing of NASA's James Webb Space Telescope, a large segmented-aperture cryogenic telescope to be launched after 2010.

Paper Details

Date Published: 14 October 2004
PDF: 13 pages
Proc. SPIE 5523, Current Developments in Lens Design and Optical Engineering V, (14 October 2004); doi: 10.1117/12.561142
Show Author Affiliations
David C. Redding, Jet Propulsion Lab. (United States)
Norbert Sigrist, Jet Propulsion Lab. (United States)
John Z. Lou, Jet Propulsion Lab. (United States)
Yan Zhang, Jet Propulsion Lab. (United States)
Paul D. Atcheson, Ball Aerospace & Technologies Corp. (United States)
Daniel Scott Acton, Ball Aerospace & Technologies Corp. (United States)
William L. Hayden, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 5523:
Current Developments in Lens Design and Optical Engineering V
Pantazis Z. Mouroulis; Warren J. Smith; R. Barry Johnson, Editor(s)

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