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6 October 2023 Low order wavefront sensing and control on MagAO-X
Avalon McLeod, Jared R. Males, Laird M. Close, Olivier Guyon, Sebastiaan Y. Haffert
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Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268009 (2023) https://doi.org/10.1117/12.2677974
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
The upcoming era of Extremely Large Telescopes will result in a significant increase in extrasolar planets detectable by direct imaging. Advances in wavefront sensing and control as well as coronagraphic technologies are necessary to achieve the contrasts and image quality required for detection on ground-based instruments. The Extreme Adaptive Optics Instrument for the Magellan Clay 6.5 m telescope (MagAO-X) serves as a testbed for ground-based adaptive optics and high contrast imaging technology development, working in the visible to near-IR. MagAO-X employs a primary wavefront control loop to correct for high order wavefront errors resulting from atmospheric turbulence. A secondary loop has been implemented for correcting non-common path aberrations and has shown to improve overall system and coronagraphic performance.
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Avalon McLeod, Jared R. Males, Laird M. Close, Olivier Guyon, and Sebastiaan Y. Haffert "Low order wavefront sensing and control on MagAO-X", Proc. SPIE 12680, Techniques and Instrumentation for Detection of Exoplanets XI, 1268009 (6 October 2023); https://doi.org/10.1117/12.2677974
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KEYWORDS
Wavefront sensors
Adaptive optics
Coronagraphy
Atmospheric optics
Exoplanets
Telescopes
Optical components
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