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Proceedings Paper

High dynamic range imaging in space: overview and wavefront control
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Paper Abstract

NASA is endeavoring to launch missions capable of detecting Earth-like planets around neighboring stars. In visible wavelengths, this requires better than one 10 to the minus ten suppression of scattered light as close as 50 milli-arcsec to the stellar image. This extraordinary requirement is within reach but it requires broad-band wave front control to sub-Angstrom levels. We describe several high dynamic range imaging solutions, describe the various factors that contribute to the scattered light level and introduce a novel closed-loop broad-band correction system, suitable for the Shaped Pupil Coronagraph and the Lyot Coronagraph.

Paper Details

Date Published: 31 August 2006
PDF: 8 pages
Proc. SPIE 6288, Current Developments in Lens Design and Optical Engineering VII, 62880A (31 August 2006); doi: 10.1117/12.682057
Show Author Affiliations
Amir Give'on, California Institute of Technology (United States)
Stuart B. Shaklan, Jet Propulsion Lab. (United States)
Joseph J. Green, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 6288:
Current Developments in Lens Design and Optical Engineering VII
Pantazis Z. Mouroulis; Warren J. Smith; R. Barry Johnson, Editor(s)

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