Statistics – Methodology
Scientific paper
Aug 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7796e...3s&link_type=abstract
An Optical Believe It or Not: Key Lessons Learned II. Edited by Kahan, Mark A. Proceedings of the SPIE, Volume 7796, pp. 7796
Statistics
Methodology
Scientific paper
Mirror technology is a critical enabling capability for the James Webb Space Telescope (JWST). JWST requires a Primary Mirror Segment Assembly (PMSA) that can survive launch, deploy and align itself to form a 6.5 meter diameter (25 square meter collecting area) primary mirror with a 131 nm rms wavefront error at temperatures < 50K and provide stable optical performance. At the inception of JWST in 1996, such a capability did not exist. A highly successful technology development program was initiated which achieved TRL-6 in 2007. This paper reviews the technology development program, the methodology for assessing that TRL-6 was achieved, and the importance of an Engineering Development Unit (EDU). Additionally, this paper captures the author's lessons learned.
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