31 May 1994 Adaptive optics at Lick Observatory: system architecture and operations
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Abstract
We will describe an adaptive optics system developed for the 1 meter Nickel and 3 meter Shane telescopes at Lick Observatory. Observing wavelengths will be in the visible for the 1 meter telescope and in the near IR on the 3 meter. The adaptive optics system design is based on a 69 actuator continuous surface deformable mirror and a Hartmann wavefront sensor equipped with an intensified CCD framing camera. The system has been tested at the Cassegrain focus of the 1 meter telescope where the subaperture size is 12.5 cm. The wavefront control calculations are performed on a four processor single board computer controlled by a Unix-based system. We will describe the optical system and give details of the wavefront control system design. We will present predictions of the system performance and initial test results.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
James M. Brase, James M. Brase, Jong R. An, Jong R. An, Kenneth Avicola, Kenneth Avicola, Horst D. Bissinger, Horst D. Bissinger, Herbert W. Friedman, Herbert W. Friedman, Donald T. Gavel, Donald T. Gavel, Brooks Johnston, Brooks Johnston, Claire E. Max, Claire E. Max, Scot S. Olivier, Scot S. Olivier, Robert W. Presta, Robert W. Presta, David A. Rapp, David A. Rapp, J. Thaddeus Salmon, J. Thaddeus Salmon, Kenneth E. Waltjen, Kenneth E. Waltjen, William A. Fisher, William A. Fisher, } "Adaptive optics at Lick Observatory: system architecture and operations", Proc. SPIE 2201, Adaptive Optics in Astronomy, (31 May 1994); doi: 10.1117/12.176081; https://doi.org/10.1117/12.176081
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