20 September 1989 A Near Infrared Astronomical Adaptive Optics System
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Abstract
We describe an adaptive optics system designed to obtain diffraction limited imaging in the near infrared (~2 microns) with the Mayall 4-meter telescope at Kitt Peak National Observatory. 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 semi-stellar 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.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
L. Goad, L. Goad, J. Beckers, J. Beckers, } "A Near Infrared Astronomical Adaptive Optics System", Proc. SPIE 1114, Active Telescope Systems, (20 September 1989); doi: 10.1117/12.960812; https://doi.org/10.1117/12.960812
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