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Wave-front correction with a multilevel stochastic parallel gradient descent technique

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3 Author(s)
Sanhong Wang ; College of Opto-Electronic Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China ; Qifeng Yu ; Yonghui Liang

An adaptive optics (AO) system composed of multiple control levels based on the stochastic parallel gradient descent (SPGD) technique is discussed. Results of numerical simulations demonstrate that the convergence rate of 3-level SPGD wave-front correction increased by 23% compared with that of the usual SPGD wave-front correction.

Published in:

Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on

Date of Conference:

30-3 Aug. 2009