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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22143–22157

Double-deformable-mirror adaptive optics system for laser beam cleanup using blind optimization

Xiang Lei, Shuai Wang, Hu Yan, Wenjin Liu, Lizhi Dong, Ping Yang, and Bing Xu  »View Author Affiliations


Optics Express, Vol. 20, Issue 20, pp. 22143-22157 (2012)
http://dx.doi.org/10.1364/OE.20.022143


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Abstract

An optimization-based correction method is developed to control simultaneously two deformable mirrors in a wavefront-sensor-less adaptive beam cleanup system, where the wave-front aberrations could not be compensated by a single deformable mirror. Stochastic parallel gradient decent algorithm is chosen as the optimization algorithm. In this control method, different aberrations are assigned to each deformable mirror according to their different correction quality. The method is proved to be effective by numerical simulations as well as experiments. Experimental results showed that the area containing 84% energy of the laser beam in the far-field can reach 3.0 times diffraction limited.

© 2012 OSA

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(090.1000) Holography : Aberration compensation
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Adaptive Optics

History
Original Manuscript: July 16, 2012
Revised Manuscript: August 24, 2012
Manuscript Accepted: August 31, 2012
Published: September 12, 2012

Citation
Xiang Lei, Shuai Wang, Hu Yan, Wenjin Liu, Lizhi Dong, Ping Yang, and Bing Xu, "Double-deformable-mirror adaptive optics system for laser beam cleanup using blind optimization," Opt. Express 20, 22143-22157 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-20-22143


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