Laura E. Coyle,1 J. Scott Knight,1 Laurent Pueyo,2 Matthew East,3 Robert Hellekson,4 Marcel Bluth,5 Sang Park,6 James Tucker,7 Brian Hicks,1 Benjamin Cromeyhttps://orcid.org/0000-0002-4062-9474,1 Ananya Sahoo,2 Remi Soummer,2 Sean Brennan,3 Todd Lawton,4 Jonathan Arenberg,4 Michael Eisenhower6
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The recently released Astro2020 Decadal Survey recommends a large IR/O/UV space telescope that can observe potentially habitable exoplanets. Achieving this goal requires a telescope with wavefront stability on the order of picometers in some modes. The Ultra-Stable Large Telescope Research and Analysis – Technology Maturation (ULTRATM) program has matured key component-level technologies for this new regime of “ultra-stable optical systems,” including active components like segment edge sensors, actuators and thermal sensing and control hardware, as well as passive components like low distortion mirror mounts and stable composites for structures. Hardware testbeds have demonstrated component performance in the desired regime and with path-to-flight properties and simulations have applied those results to the flight system. These component level demonstrations are a critical step to enable subsequent subsystem and system level demonstrations of an ultra-stable telescope.
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Laura E. Coyle, J. Scott Knight, Laurent Pueyo, Matthew East, Robert Hellekson, Marcel Bluth, Sang Park, James Tucker, Brian Hicks, Benjamin Cromey, Ananya Sahoo, Remi Soummer, Sean Brennan, Todd Lawton, Jonathan Arenberg, Michael Eisenhower, "Achieved technology maturation of key component-level technologies for ultra-stable optical systems," Proc. SPIE 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 121802K (27 August 2022); https://doi.org/10.1117/12.2627057