Physics – Optics
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1114...73g&link_type=abstract
IN: Active telescope systems; Proceedings of the Meeting, Orlando, FL, Mar. 28-31, 1989 (A90-30852 12-74). Bellingham, WA, Socie
Physics
Optics
Adaptive Optics, Atmospheric Correction, Imaging Techniques, Infrared Astronomy, Infrared Telescopes, Seeing (Astronomy), Algorithms, Atmospheric Optics, Electronic Control, Mirrors, Near Infrared Radiation, Wave Front Deformation
Scientific paper
An adaptive optics system designed to obtain diffraction limited imaging in the near infrared (about 2 microns) with the Mayall 4-meter telescope at Kitt Peak National Observatory is described. The basic system consists of a 55-element adaptive mirror, a 37-element Hartmann-Shack wavefront sensor, and a dedicated microprocessor for analysis of sensor data and active mirror control. This polychromatic adaptive optics system utilizes the visible radiation from a semistellar source, or nearby star, for wavefront sensing while imaging the near-infrared radiation on an InSb array detector. Recent laboratory tests of the working system are summarized.
Beckers Jacques
Goad Larry
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