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Proceedings Paper

NGST OTA optical metrology instrumentation and conceptual approaches
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Paper Abstract

An Integrated Product Team was formed to develop a detailed concept for optical test methodology for testing of the NGST individual primary, secondary and tertiary mirrors and the full telescope system on the ground. The large, lightweight, deployable primary mirror, and the cryogenic operating environment make optical testing of NGST OTA (Optical Testing Assembly) extremely challenging. A telescope of the complexity of NGST has never been built and tested on the ground in 1-g environment. A brief summary of the preliminary metrology test plan at the mirror component and telescope system level is presented.

Paper Details

Date Published: 28 July 2000
PDF: 10 pages
Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); doi: 10.1117/12.394050
Show Author Affiliations
Ritva A. M. Keski-Kuha, NASA Goddard Space Flight Ctr. (United States)
Pierre Y. Bely, Space Telescope Science Institute (United States)
Richard Burg, NASA Goddard Space Flight Ctr. (United States)
James H. Burge, Univ. of Arizona (United States)
Pamela S. Davila, NASA Goddard Space Flight Ctr. (United States)
Joseph M. Geary, Univ. of Alabama in Huntsville (United States)
John G. Hagopian, NASA Goddard Space Flight Ctr. (United States)
David N. Jacobson, NASA Marshall Space Flight Ctr. (United States)
Andrew E. Lowman, Jet Propulsion Lab. (United States)
Steven A. Macenka, Jet Propulsion Lab. (United States)
John D. Mangus, Bart & Associates Inc. (United States)
Charles M. Perrygo, Swales Aerospace (United States)
David C. Redding, Jet Propulsion Lab. (United States)
Babak N. Saif, Swales Aerospace (United States)
W. Scott Smith, NASA Marshall Space Flight Ctr. (United States)
James C. Wyant, Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 4013:
UV, Optical, and IR Space Telescopes and Instruments
James B. Breckinridge; Peter Jakobsen, Editor(s)

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