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in creator/contributor: "Olivier, S S"  
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Issues in the design and optimization of adaptive optics and laser guide stars for the Keck Telescopes

Description: We discuss issues in optimizing the design of adaptive optics and laser guide star systems for the Keck Telescope. The initial tip-tilt system will use Keck`s chopping secondary mirror. We describe design constraints, choice of detector, and expected performance of this tip-tilt system as well as its sky coverage. The adaptive optics system is being optimized for wavelengths of I-2.2{mu}m. We are studying adaptive optics concepts which use a wavefront sensor with varying numbers of subapertures… more
Date: March 1, 1994
Creator: Max, C. E.; Gavel, D. T. & Olivier, S. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Simulation and analysis of laser guide star adaptive optics systems for the eight to ten meter class telescopes

Description: This paper discusses the design and analysis of laser-guided adaptive optic systems for the large, 8--10 meter class telescopes. We describe a technique for calculating the expected modulation transfer function and the point spread function for a closed loop adaptive optics system, parameterized by the degree of correction and the seeing conditions. The results agree closely with simulations and experimental data, and validate well known scaling law models even at low order correction. Scaling … more
Date: March 1, 1994
Creator: Gavel, D. T. & Olivier, S. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Performance of adaptive optics at Lick Observatory

Description: A prototype adaptive optics system has been developed at Lawrence Livermore National Laboratory (LLNL) for use at Lick Observatory. This system is based on an ITEX 69-actuator continuous-surface deformable mirror, a Kodak fast-framing intensified CCD camera, and a Mercury VME board containing four Intel i860 processors. The system has been tested using natural reference stars on the 40-inch Nickel telescope at Lick Observatory yielding up to a factor of 10 increase in image peak intensity and a… more
Date: March 1, 1994
Creator: Olivier, S. S.; An, J. & Avicola, K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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