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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 27 — Dec. 17, 2012
  • pp: 28941–28946

Experimental demonstration of passive coherent combining of fiber lasers by phase contrast filtering

François Jeux, Agnès Desfarges-Berthelemot, Vincent Kermène, and Alain Barthelemy  »View Author Affiliations


Optics Express, Vol. 20, Issue 27, pp. 28941-28946 (2012)
http://dx.doi.org/10.1364/OE.20.028941


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Abstract

We report experiments on a new laser architecture involving phase contrast filtering to coherently combine an array of fiber lasers. We demonstrate that the new technique yields a more stable phase-locking than standard methods using only amplitude filtering. A spectral analysis of the output beams shows that the new scheme generates more resonant frequencies common to the coupled lasers. This property can enhance the combining efficiency when the number of lasers to be coupled is large.

© 2012 OSA

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 18, 2012
Revised Manuscript: November 28, 2012
Manuscript Accepted: November 29, 2012
Published: December 12, 2012

Citation
François Jeux, Agnès Desfarges-Berthelemot, Vincent Kermène, and Alain Barthelemy, "Experimental demonstration of passive coherent combining of fiber lasers by phase contrast filtering," Opt. Express 20, 28941-28946 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-27-28941


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References

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