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Proceedings Paper

The Optical Telescope Element Simulator for the James Webb Space Telescope
Author(s): Pamela S. Davila; Brent J. Bos; Edward S. Cheng; Bill Chang; William L. Eichhorn; Bradley J. Frey; Mario Garza; Qian Gong; Bradford W. Greeley; Jeff Guzek; Claef F. Hakun; Lars Hovmand; Jeff Kirk; David A. Kubalak; Douglas Leviton; Adrian Nagle; Rich Nyquist; Thai Pham; F. David Robinson; Derek Sabatke; Joseph F. Sullivan; Paul Volmer; Rob VonHandorf; Richard N. Youngworth
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Paper Abstract

The James Webb Space Telescope Observatory will consist of three flight elements: (1) the Optical Telescope Element (OTE), (2) the Integrated Science Instrument Module Element (ISIM), and (3) the Spacecraft Element. The ISIM element consists of a composite bench structure that uses kinematic mounts to interface to each of the optical benches of the three science instruments and the guider. The ISIM is also kinematically mounted to the telescope primary mirror structure. An enclosure surrounds the ISIM structure, isolates the ISIM region thermally from the other thermal regions of the Observatory, and serves as a radiator for the science instruments and guider. Cryogenic optical testing of the ISIM Structure and the Science Instruments will be conducted at Goddard Space Flight Center using an optical telescope simulator that is being developed by a team from Ball Aerospace and Goddard Space Flight Center, and other local contractors. This simulator will be used to verify the performance of the ISIM element before delivery to the Northup Grumman team for integration with the OTE. In this paper, we describe the O OTE Sim TE Simulator (OSIM) and provide a brief overview of the optical test program. ulator

Paper Details

Date Published: 12 July 2008
PDF: 12 pages
Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70103F (12 July 2008); doi: 10.1117/12.790402
Show Author Affiliations
Pamela S. Davila, NASA Goddard Space Flight Ctr. (United States)
Brent J. Bos, NASA Goddard Space Flight Ctr. (United States)
Edward S. Cheng, Conceptual Analytics (United States)
Bill Chang, Edge Space Systems (United States)
William L. Eichhorn, NASA Goddard Space Flight Ctr. (United States)
Bradley J. Frey, NASA Goddard Space Flight Ctr. (United States)
Mario Garza, Orbital Sciences Corp. (United States)
Qian Gong, ATK Space Division (United States)
Bradford W. Greeley, NASA Goddard Space Flight Ctr. (United States)
Jeff Guzek, Design Interface, Inc. (United States)
Claef F. Hakun, NASA Goddard Space Flight Ctr. (United States)
Lars Hovmand, Northrop Grumman (United States)
Jeff Kirk, Orbital Sciences Corp. (United States)
David A. Kubalak, NASA Goddard Space Flight Ctr. (United States)
Douglas Leviton, NASA Goddard Space Flight Ctr. (United States)
Adrian Nagle, Ball Aerospace & Technologies Corp. (United States)
Rich Nyquist, Ball Aerospace & Technologies Corp. (United States)
Thai Pham, NASA Goddard Space Flight Ctr. (United States)
F. David Robinson, Orbital Sciences Corp. (United States)
Derek Sabatke, Ball Aerospace & Technologies Corp. (United States)
Joseph F. Sullivan, Ball Aerospace & Technologies Corp. (United States)
Paul Volmer, Ball Aerospace & Technologies Corp. (United States)
Rob VonHandorf, Ball Aerospace & Technologies Corp. (United States)
Richard N. Youngworth, Ball Aerospace & Technologies Corp. (United States)


Published in SPIE Proceedings Vol. 7010:
Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter
Jacobus M. Oschmann; Mattheus W. M. de Graauw; Howard A. MacEwen, Editor(s)

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