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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 7 — Apr. 3, 2006
  • pp: 2721–2726

High power coherent beam combination from two fiber lasers

Bing He, Qihong Lou, Jun Zhou, Jingxing Dong, Yunrong Wei, Dong Xue, Yunfeng Qi, Zhoupin Su, Libo Li, and Fangpei Zhang  »View Author Affiliations


Optics Express, Vol. 14, Issue 7, pp. 2721-2726 (2006)
http://dx.doi.org/10.1364/OE.14.002721


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Abstract

Phase locking of two fiber lasers is demonstrated experimentally by the use of a self-imaging resonator with a spatial filter. The high-contrast interference strips of the coherent beam profile are observed. The coherent output power of the fiber array exceeds 12W and the efficiency of coherent power combination is 88% with pump power of 60W. The whole system operates quite stably and, for the spatial filter, no thermal effects have been observed, which means that we can increase the coherent output power further by this method.

© 2006 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(140.3290) Lasers and laser optics : Laser arrays
(140.3410) Lasers and laser optics : Laser resonators
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 3, 2006
Revised Manuscript: March 21, 2006
Manuscript Accepted: March 25, 2006
Published: April 3, 2006

Citation
Bing He, Qihong Lou, Jun Zhou, Jingxing Dong, Yunrong Wei, Dong Xue, Yunfeng Qi, Zhoupin Su, Libo Li, and Fangpei Zhang, "High power coherent beam combination from two fiber lasers," Opt. Express 14, 2721-2726 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-7-2721


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