JWST Mirror Building Paradigms at Tinsley, Part 3

Details JWST Mirror Building Paradigms at Tinsley, Part 3 JWST Mirror Building Paradigms at Tinsley, Part 3

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921002h&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #210.02; Bulletin of the American Astronomical Society,

Physics

Optics

Scientific paper

Tinsley, under subcontract to Ball Aerospace, is optically finishing 18 precise lightweight beryllium mirror segments that constitute the surface of the 6.5m primary mirror for JWST. In a new facility established in Richmond, CA, Tinsley Computer Controlled Optical Surfacing (CCOS) technology is scaled to the size and special requirements of JWST. A complementary suite of mechanical and optical metrology is established. We will illustrate Tinsley’s JWST implementation to handle, fabricate and measure these mirrors. The first-of-kind infrared Scanning Shack Hartmann System (SSHS) is described, and progress on the Engineering Development Unit (EDU), three Pathfinder Units, and remaining Flight Units is summarized. The facility and capibilities will provide the community with enhanced capacity for future large optics.

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