NGST OTA optical metrology instrumentation and conceptual approaches

R. Keski-Kuha, P. Bely, R. Burg, J. Burge, P. Davila, J. Geary, J. Hagopian, D. Jacobson, A. Lowman, S. Macenka, J. Mangus, C. Perrygo, D. Redding, B. Saif, S. Smith, J. Wyant

Research output: Contribution to journalConference articlepeer-review


An Integrated Product Team (IPT) 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 Telescope 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.

Original languageEnglish (US)
Pages (from-to)826-835
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2000
Externally publishedYes
EventUV, Optical, and IR Space Telescopes and Instruments - Munich, Ger
Duration: Mar 29 2000Mar 31 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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