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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 7121–7130

Enhancement of the beam quality of non-uniform output slab laser amplifier with a 39-actuator rectangular piezoelectric deformable mirror

Ping Yang, Yu Ning, Xiang Lei, Bing Xu, Xinyang Li, Lizhi Dong, Hu Yan, Wenjing Liu, Wenhan Jiang, Lei Liu, Chao Wang, Xingbo Liang, and Xiaojun Tang  »View Author Affiliations

Optics Express, Vol. 18, Issue 7, pp. 7121-7130 (2010)

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We present a slab laser amplifier beam cleanup experimental system based on a 39-actuator rectangular piezoelectric deformable mirror. Rather than use a wave-front sensor to measure distortions in the wave-front and then apply a conjugation wave-front for compensating them, the system uses a Stochastic Parallel Gradient Descent algorithm to maximize the power contained within a far-field designated bucket. Experimental results demonstrate that at the output power of 335W, more than 30% energy concentrates in the 1x diffraction-limited area while the beam quality is enhanced greatly.

© 2010 OSA

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics

ToC Category:
Adaptive Optics

Original Manuscript: January 12, 2010
Revised Manuscript: February 24, 2010
Manuscript Accepted: March 1, 2010
Published: March 23, 2010

Ping Yang, Yu Ning, Xiang Lei, Bing Xu, Xinyang Li, Lizhi Dong, Hu Yan, Wenjing Liu, Wenhan Jiang, Lei Liu, Chao Wang, Xingbo Liang, and Xiaojun Tang, "Enhancement of the beam quality of non-uniform output slab laser amplifier with a 39-actuator rectangular piezoelectric deformable mirror," Opt. Express 18, 7121-7130 (2010)

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