JWST mirror technology development results

H. Philip Stahl

doi:10.1117/12.730852

14 September 2007 JWST mirror technology development results

H. Philip Stahl

Proceedings Volume 6671, Optical Manufacturing and Testing VII; 667102 (2007) https://doi.org/10.1117/12.730852
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

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 25 square meter collecting area 6.5 meter diameter 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 including the Sub-scale Beryllium Mirror Demonstrator (SBMD) and Advanced Mirror System Demonstrator (AMSD) projects. These projects along with flight program activities have matured and demonstrated mirror technology for JWST. Directly traceable prototypes or flight hardware has been built, tested and operated in a relevant environment. This paper summarizes that technology development effort.

Citation Download Citation

H. Philip Stahl "JWST mirror technology development results", Proc. SPIE 6671, Optical Manufacturing and Testing VII, 667102 (14 September 2007); https://doi.org/10.1117/12.730852

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