21 August 2009 Trades for ambient non-contact metrology
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NASA's James Webb Space Telescope (JWST) will be a premier space science program for astrophysics following launch scheduled for 2014. JWST will observe the early universe, with emphasis on the time period during which the first stars and galaxies began to form. JWST has a 6.5 m diameter (25 square meters of collecting area), deployable, active primary mirror operating at cryogenic temperatures.
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R. Ohl, B. Hoffmann Eegholm, M. Casas, B. Frey, M. Dominguez, J. Gill, J. Hayden, P. Morken, K. Redman, V. Roberts, B. Saif, and T. Scirpo "Trades for ambient non-contact metrology", Proc. SPIE 7433, Optical System Alignment, Tolerancing, and Verification III, 743306 (21 August 2009); doi: 10.1117/12.831303; https://doi.org/10.1117/12.831303

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