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30 September 2013 Processing of a stacked core mirror for UV applications
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The ASTRO2010 Decadal Survey stated that an advanced large-aperture ultraviolet, optical, near-infrared (UVOIR) telescope is required to enable the next generation of compelling astrophysics and exoplanet science; and, that present technology is not mature enough to affordably build and launch any potential UVOIR mission concept. Under Science and Technology funding, NASA’s Marshall Space Flight Center and ITT Exelis have developed a more cost effective process to make 4m monolithic spaceflight UV quality, low areal density, thermally and dynamically stable primary mirrors. A proof of concept mirror was built and tested down to 250K which would allow imaging out to 2.5 microns. The processing of this mirror to UV specifications will be discussion along including the image of ion figuring to mid and high spatial frequency error terms.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gary W. Matthews, Charles S. Kirk, Steven P. Maffett, H. Philip Stahl, Calvin E. Abplanalp, Ron Eng, and William R. Arnold Sr. "Processing of a stacked core mirror for UV applications", Proc. SPIE 8837, Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems, 88370A (30 September 2013);

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