Adaptive optics at Lick Observatory: system architecture and operations

James M. Brase; Jong R. An; Kenneth Avicola; Horst D. Bissinger; Herbert W. Friedman; Donald T. Gavel; Brooks Johnston; Claire E. Max; Scot S. Olivier; Robert W. Presta; David A. Rapp; J. Thaddeus Salmon; Kenneth E. Waltjen; William A. Fisher

doi:10.1117/12.176081

31 May 1994 Adaptive optics at Lick Observatory: system architecture and operations

James M. Brase, Jong R. An, Kenneth Avicola, Horst D. Bissinger, Herbert W. Friedman, Donald T. Gavel, Brooks Johnston, Claire E. Max, Scot S. Olivier, Robert W. Presta, David A. Rapp, J. Thaddeus Salmon, Kenneth E. Waltjen, William A. Fisher

Author Affiliations +

Proceedings Volume 2201, Adaptive Optics in Astronomy; (1994) https://doi.org/10.1117/12.176081
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

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.

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James M. Brase, Jong R. An, Kenneth Avicola, Horst D. Bissinger, Herbert W. Friedman, Donald T. Gavel, Brooks Johnston, Claire E. Max, Scot S. Olivier, Robert W. Presta, David A. Rapp, J. Thaddeus Salmon, Kenneth E. Waltjen, and William A. Fisher "Adaptive optics at Lick Observatory: system architecture and operations", Proc. SPIE 2201, Adaptive Optics in Astronomy, (31 May 1994); https://doi.org/10.1117/12.176081

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