NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
The JWST/NIRCam Coronagraph Flight OccultersThe NIRCam instrument on the James Webb Space Telescope will have a Lyot coronagraph for high contrast imaging of extrasolar planets and circumstellar disks at lambda = 2 - 5 micrometers. 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.
Document ID
20150008486
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Krist, John E.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Balasubramanian, Kunjithapatham
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Muller, Richard E.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Shaklan, Stuart B.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kelly, Douglas M.
(Arizona Univ. Tucson, AZ, United States)
Wilson, Daniel W.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Beichman, Charles A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Serabyn, Eugene
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Mao, Yalan
(Lockheed Martin Advanced Technology Center Palo Alto, CA, United States)
Echternach, Pierre M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Trauger, John T.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Liewer, Kurt M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
May 20, 2015
Publication Date
June 27, 2010
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: 2010 SPIE Astronomical Telescopes and Instrumentation Conference
Location: San Diego, CA
Country: United States
Start Date: June 27, 2010
End Date: July 2, 2010
Sponsors: International Society for Optical Engineering
Distribution Limits
Public
Copyright
Other
Keywords
extrasolar planets

Available Downloads

There are no available downloads for this record.
No Preview Available