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3 May 1979 Computer Simulation Of A Large Adaptive Optical System
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Abstract
This paper describes a method for evaluating the optical performance of optical systems consisting of large, flexible, actively controlled mirrors in the presence of thermal and dynamic disturbances. The computer simulation described here is divided into four major blocks: optics, thermal, structures, and dynamics. The control aspects are included in the various models used in each block. The output of the simulation is a dynamic point-spread function from which real-time or average quantities such as the line-of-sight error, Strehl ratio, and power in a certain area are calculated. As an example, a two-mirror system that expands a high-power collimated beam and focuses it on a distant plane is considered. The effects of heating of the mirrors are simulated and results on the point-spread function and associated quantities are presented.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Virendra N. Mahajan and Jacques Govignon "Computer Simulation Of A Large Adaptive Optical System", Proc. SPIE 0172, Instrumentation in Astronomy III, (3 May 1979); https://doi.org/10.1117/12.957115
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