28 July 2000 NGST OTA optical metrology instrumentation and conceptual approaches
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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.
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Ritva A. M. Keski-Kuha, Ritva A. M. Keski-Kuha, Pierre Y. Bely, Pierre Y. Bely, Richard Burg, Richard Burg, James H. Burge, James H. Burge, Pamela S. Davila, Pamela S. Davila, Joseph M. Geary, Joseph M. Geary, John G. Hagopian, John G. Hagopian, David N. Jacobson, David N. Jacobson, Andrew E. Lowman, Andrew E. Lowman, Steven A. Macenka, Steven A. Macenka, John D. Mangus, John D. Mangus, Charles M. Perrygo, Charles M. Perrygo, David C. Redding, David C. Redding, Babak N. Saif, Babak N. Saif, W. Scott Smith, W. Scott Smith, James C. Wyant, James C. Wyant, } "NGST OTA optical metrology instrumentation and conceptual approaches", Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); doi: 10.1117/12.394050; https://doi.org/10.1117/12.394050
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