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HCIT contrast performance sensitivity studies: simulation versus experiment

Show simple item record Sidick, Erkin Shaklan, Stuart Krist, John Cady, Eric J. Kern, Brian Balasubramanian, Kunjithapatham 2014-03-06T00:09:06Z 2014-03-06T00:09:06Z 2013-08-25
dc.identifier.citation SPIE Optics and Photonics, San Diego, California, August 25-29, 2013 en_US
dc.identifier.clearanceno CL#13-3816
dc.description.abstract Using NASA’s High Contrast Imaging Testbed (HCIT) at the Jet Propulsion Laboratory, we have experimentally investigated the sensitivity of dark hole contrast in a Lyot coronagraph for the following factors: 1) Lateral and longitudinal translation of an occulting mask; 2) An opaque spot on the occulting mask; 3) Sizes of the controlled dark hole area. Also, we compared the measured results with simulations obtained using both MACOS (Modeling and Analysis for Controlled Optical Systems) and PROPER optical analysis programs with full three-dimensional near-field diffraction analysis to model HCIT’s optical train and coronagraph. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013 en_US
dc.subject Coronagraphy en_US
dc.subject adaptive optics en_US
dc.subject space telescopes en_US
dc.subject exoplanets en_US
dc.title HCIT contrast performance sensitivity studies: simulation versus experiment en_US
dc.type Preprint en_US

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