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5 October 2023 Continued maturation of enabling component-level technologies for large, segmented ultra-stable telescopes
Laura E. Coyle, John S. Knight, Laurent Pueyo, Matthew East, Bob Hellekson, Jonathan Arenberg, Marcel Bluth, Sang Park, James Tucker, Brian Hicks, Benjamin Cromey, Jeremy Shugrue, Rémi Soummer, Ananya Sahoo, Sean Brennan, Todd Lawton, Michael Eisenhower
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Proceedings Volume 12676, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts XI; 1267602 (2023) https://doi.org/10.1117/12.2676053
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
NASA’s Habitable Worlds Observatory will consist of a segmented telescope and high contrast coronagraph to characterize exoplanets for habitability. Achieving this objective requires an ultra-stable telescope with wavefront stability of picometers in certain critical modes. The NASA funded Ultra-Stable Large Telescope Research and Analysis – Technology Maturation program continues to mature key component-level technologies for this new regime of “ultra-stable optical systems,” including active components like segment edge sensors, actuators and thermal hardware, passive components like low distortion mirrors and stable structures, and supporting capabilities like precision metrology. This paper will present an update to the latest results from hardware testbeds and simulations in the areas listed above. It will also contain a correction to previously published results of Ball’s Integrated Demo, which consists of a capacitive sensor and three actuators operating in closed loop.
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Laura E. Coyle, John S. Knight, Laurent Pueyo, Matthew East, Bob Hellekson, Jonathan Arenberg, Marcel Bluth, Sang Park, James Tucker, Brian Hicks, Benjamin Cromey, Jeremy Shugrue, Rémi Soummer, Ananya Sahoo, Sean Brennan, Todd Lawton, and Michael Eisenhower "Continued maturation of enabling component-level technologies for large, segmented ultra-stable telescopes", Proc. SPIE 12676, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts XI, 1267602 (5 October 2023); https://doi.org/10.1117/12.2676053
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KEYWORDS
Telescopes
Actuators
Analytical research
Sensors
Large telescopes
Metrology
Mirror structures
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