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Proceedings Paper

Simulation of wavefront sensorless correction based on Stochastic Parallel Gradient Descent algorithm
Author(s): Gang Wang
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Paper Abstract

Stochastic Parallel Gradient Descent(SPGD) algorithm can optimize the system exhibition firsthand without using of wavefront sensor, it predigests the adaptive optic system. Based on SPGD algotithm, a model with 32 element demormable mirror was simulated, the capability of correct toward static aberration and convergence of SPGD algorithm are analysed, the relationship of gain coefficient, stochastic perturbation amplitude are discussed, an adaptive adjustment of gain coefficient is proposed, and it can improve convergence rate effectively.

Paper Details

Date Published: 21 November 2014
PDF: 8 pages
Proc. SPIE 9266, High-Power Lasers and Applications VII, 92661V (21 November 2014); doi: 10.1117/12.2066146
Show Author Affiliations
Gang Wang, China Electronics Technology Group Corp. (China)


Published in SPIE Proceedings Vol. 9266:
High-Power Lasers and Applications VII
Ruxin Li; Upendra N. Singh; Robert F. Walter, Editor(s)

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