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The JWST/NIRCam coronagraph flight occulters

Krist, John E. and Balasubramanian, Kunjithapatham and Muller, Richard E. and Shaklan, Stuart B. and Kelly, Douglas M. and Wilson, Daniel W. and Beichman, Charles A. and Serabyn, Eugene and Mao, Yalan and Echternach, Pierre M. and Trauger, John T. and Liewer, Kurt M. (2010) The JWST/NIRCam coronagraph flight occulters. In: Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave. Proceedings of SPIE. No.7731. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 77313J. ISBN 9780819482211. https://resolver.caltech.edu/CaltechAUTHORS:20180711-133331613

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Abstract

The NIRCam instrument on the James Webb Space Telescope will have a Lyot coronagraph for high contrast imaging of extrasolar planets and circumstellar disks at λ=2 - 5 μm. Half-tone patterns are used to create graded-transmission image plane masks. These are generated using electron beam lithography and reactive ion etching of a metal layer on an antireflection coated sapphire substrate. We report here on the manufacture and evaluation of the flight occulters.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.856488DOIArticle
ORCID:
AuthorORCID
Beichman, Charles A.0000-0002-5627-5471
Additional Information:© 2010 Society of Photo-optical Instrumentation Engineers (SPIE). This analysis was performed at the Jet Propulsion Laboratory/Cal. Inst. of Technology and funded by the NIRCam instrument project and science team.
Funders:
Funding AgencyGrant Number
JPL/CaltechUNSPECIFIED
Subject Keywords:James Webb Space Telescope, NIRCam, coronagraph, extrasolar planets
Series Name:Proceedings of SPIE
Issue or Number:7731
Record Number:CaltechAUTHORS:20180711-133331613
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180711-133331613
Official Citation:John E. Krist, Kunjithapatham Balasubramanian, Richard E. Muller, Stuart B. Shaklan, Douglas M. Kelly, Daniel W. Wilson, Charles A. Beichman, Eugene Serabyn, Yalan Mao, Pierre M. Echternach, John T. Trauger, Kurt M. Liewer, "The JWST/NIRCam coronagraph flight occulters", Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77313J (10 August 2010); doi: 10.1117/12.856488; https://doi.org/10.1117/12.856488
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87763
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Jul 2018 21:08
Last Modified:24 Feb 2020 10:30

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