Wave-front Correction with a Multilevel Stochastic Parallel Gradient Descent Technique

Sanhong Wang; Qifeng Yu; Yonghui Liang

Conference on Lasers and Electro-Optics/Pacific Rim 2009
(Optica Publishing Group, 2009),
paper ThJ1_4

Wave-front Correction with a Multilevel Stochastic Parallel Gradient Descent Technique

Sanhong Wang, Qifeng Yu, and Yonghui Liang

Conference on Lasers and Electro-Optics/Pacific Rim 2009

Shanghai China
30 August–3 September 2009
ISBN: 978-1-4244-3830-3

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Optical Display and Processing (ThJ1)

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S. Wang, Q. Yu, and Y. Liang, "Wave-front Correction with a Multilevel Stochastic Parallel Gradient Descent Technique," in Conference on Lasers and Electro-Optics/Pacific Rim 2009, (Optica Publishing Group, 2009), paper ThJ1_4.

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Abstract

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.

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