NGST OTA optical metrology instrumentation and conceptual approaches

Ritva A. M. Keski-Kuha; Pierre Y. Bely; Richard Burg; James H. Burge; Pamela S. Davila; Joseph M. Geary; John G. Hagopian; David N. Jacobson; Andrew E. Lowman; Steven A. Macenka; John D. Mangus; Charles M. Perrygo; David C. Redding; Babak N. Saif; W. Scott Smith; James C. Wyant

doi:10.1117/12.394050

28 July 2000 NGST OTA optical metrology instrumentation and conceptual approaches

Ritva A. M. Keski-Kuha, Pierre Y. Bely, Richard Burg, James H. Burge, Pamela S. Davila, Joseph M. Geary, John G. Hagopian, David N. Jacobson, Andrew E. Lowman, Steven A. Macenka, John D. Mangus, Charles M. Perrygo, David C. Redding, Babak N. Saif, W. Scott Smith, James C. Wyant

Author Affiliations +

Proceedings Volume 4013, UV, Optical, and IR Space Telescopes and Instruments; (2000) https://doi.org/10.1117/12.394050
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

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, Pierre Y. Bely, Richard Burg, James H. Burge, Pamela S. Davila, Joseph M. Geary, John G. Hagopian, David N. Jacobson, Andrew E. Lowman, Steven A. Macenka, John D. Mangus, Charles M. Perrygo, David C. Redding, Babak N. Saif, W. Scott Smith, and 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); https://doi.org/10.1117/12.394050

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