High dynamic range imaging in space: overview and wavefront control

Amir Give'on; Stuart B. Shaklan; Joseph J. Green

doi:10.1117/12.682057

31 August 2006 High dynamic range imaging in space: overview and wavefront control

Amir Give'on, Stuart B. Shaklan, Joseph J. Green

Proceedings Volume 6288, Current Developments in Lens Design and Optical Engineering VII; 62880A (2006) https://doi.org/10.1117/12.682057
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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.

Citation Download Citation

Amir Give'on, Stuart B. Shaklan, and Joseph J. Green "High dynamic range imaging in space: overview and wavefront control", Proc. SPIE 6288, Current Developments in Lens Design and Optical Engineering VII, 62880A (31 August 2006); https://doi.org/10.1117/12.682057

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