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27 August 2015 Status of the Advanced Mirror Technology Development (AMTD) phase 2 1.5m ULE mirror
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Abstract
The 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 (MSFC) and Exelis have developed a more cost effective process to make up to 4m monolithic spaceflight UV quality, low areal density, thermally and dynamically stable primary mirrors. Under a Phase I program, a proof of concept mirror was completed at Exelis and tested down to 250K at MSFC which would allow imaging out to 2.5 microns. In 2014, Exelis and NASA started a Phase II program to design and build a 1.5m mirror to demonstrate lateral scalability to a 4m monolithic primary mirror. The current status of the Phase II development program will be provided along with a Phase II program summary.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert Egerman, Gary W. Matthews, Matthew Johnson, Albert Ferland, H. Philip Stahl, Ron Eng, and Michael R. Effinger "Status of the Advanced Mirror Technology Development (AMTD) phase 2 1.5m ULE mirror", Proc. SPIE 9575, Optical Manufacturing and Testing XI, 95750L (27 August 2015); https://doi.org/10.1117/12.2188566
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