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HCIT Contrast Performance Sensitivity Studies: Simulation Versus ExperimentUsing 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.
Document ID
20150008032
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Sidick, Erkin
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Shaklan, Stuart
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Krist, John
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Cady, Eric J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kern, Brian
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Balasubramanian, Kunjithapatham
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
May 12, 2015
Publication Date
August 25, 2013
Subject Category
Optics
Meeting Information
Meeting: SPIE Optics and Photonics Conference
Location: San Diego, CA
Country: United States
Start Date: August 25, 2013
End Date: August 29, 2013
Sponsors: International Society for Optical Engineering
Distribution Limits
Public
Copyright
Other
Keywords
space telescopes
Coronagraphy
exoplanets
adaptive optics

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