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Published July 7, 2000 | Published
Book Section - Chapter Open

1600 actuator tweeter mirror upgrade for the Palomar Adaptive Optics system (PALAO)

Abstract

We discuss conceptual design issues for a 1600 actuator tweeter mirror/multiconjugate AO upgrade to the 349 actuator Palomar Adaptive Optics System (PALAO). Based upon a 42 X 42 actuator Photonex deformable mirror technology, developed by Xinetics, Inc., this upgrade would enable unique science at visible wavelengths and deliver unprecedented near-infrared Strehl ratios for modestly bright (mV equals 9) guide stars. When used in conjunction with the existing 349 actuator Xinetics, Inc. deformable mirror, a series of pressing issues regarding the practical utility of multiconjugate adaptive correction for extremely large telescopes could be addressed. By utilizing a low noise (EEV39) wavefront sensor camera developed by SciMeasure Analytical Systems, Inc., this system would provide on-axis K-band Strehl ratio of > 95%, improving scientific throughput and enabling the detection and spectroscopy of unresolved companions in an unprecedented contrast space around nearby stars.

Additional Information

© 2000 Society of Photo-optical Instrumentation Engineers (SPIE). Observations at the Palomar Observatory were made as part of a continuing collaborative agreement between Palomar Observatory, the Jet Propulsion Laboratory, and Cornell University.

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August 19, 2023
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