19 August 2011 Numerical simulation of the high-order Gaussian laser beam cleanup system based on optimization-translation adaptive optics
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Abstract
We present research on high-order Gaussian laser beam cleanup by using adaptive optics (AO) technique. A 64-element adaptive optics beam cleanup simulation system based on Stochastic Parallel-Gradient-Descent (SPGD) Algorithm was set up. The far-filed energy centrality of TEM10 mode was advanced and the evaluation function increased more than a factor of 4.6 when the system evolves from open-loop into close-loop state. The experiments results indicate the feasibility of Adaptive Optics in mode transform system.
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Haichuan Zhao, Xiaolin Wang, Pu Zhou, Sanhong Wang, Xiaojun Xu, "Numerical simulation of the high-order Gaussian laser beam cleanup system based on optimization-translation adaptive optics", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81922G (19 August 2011); doi: 10.1117/12.900605; https://doi.org/10.1117/12.900605
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