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18 December 2019 Optimization of model wavefront-sensorless adaptive optics system based on eigenmodes of deformable mirror
Yang Wu, Haibo Yang, Qi Xu, Huizhen Yang
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Proceedings Volume 11338, AOPC 2019: Optical Sensing and Imaging Technology; 113383H (2019) https://doi.org/10.1117/12.2548087
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China
Abstract
It is important for the convergence of model wavefront-sensorless (WFSless) adaptive optics (AO) system that how to generate base functions and their numbers of order. The convergence speed of model WFSless AO system depends on the number of eigenmodes when eigenmodes of deformable mirrors (DM) are used as base functions of model WFSless AO system. In practice, lower order aberrations occupy the majority. In order to accelerate the convergence rate of model WFSless AO system, this paper uses partial low-order modes of eigenmodes as base functions of the system to analyze its convergence speed and correction capability. Simulation results demonstrate that the convergence speed of the system is improved to a certain extent regardless of the intensity of turbulence when the correct ion effect reaches 80% of all-order modes of eigenmodes. For the same wavefront aberration, the more the number of actuators is, the bigger the optimization of the convergence rate of the model WFSless AO system is.
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Yang Wu, Haibo Yang, Qi Xu, and Huizhen Yang "Optimization of model wavefront-sensorless adaptive optics system based on eigenmodes of deformable mirror", Proc. SPIE 11338, AOPC 2019: Optical Sensing and Imaging Technology, 113383H (18 December 2019); https://doi.org/10.1117/12.2548087
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KEYWORDS
Adaptive optics
Control systems
Wavefront aberrations
Deformable mirrors
Optimization (mathematics)
Model-based design
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