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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J Campillo
  • Vol. 32, Iss. 7 — Apr. 1, 2007
  • pp: 790–792

Efficient coherent addition of fiber lasers in free space

Moti Fridman, Vardit Eckhouse, Nir Davidson, and Asher A. Friesem  »View Author Affiliations


Optics Letters, Vol. 32, Issue 7, pp. 790-792 (2007)
http://dx.doi.org/10.1364/OL.32.000790


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Abstract

An efficient technique in which fiber lasers are coherently added in free space is presented. Since the high power of the combined output light propagates in free space rather than inside, fiber optical damage and deleterious nonlinear effects are substantially reduced. Two different configurations are investigated. One involves conventional intracavity coupling between the lasers. The other is a novel configuration where the coupling is done out of the combined cavities. The latter configuration requires much less coupling for obtaining the same output power, so the damage to the fiber is further reduced.

© 2007 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 11, 2006
Revised Manuscript: January 10, 2007
Manuscript Accepted: January 11, 2007
Published: March 5, 2007

Citation
Moti Fridman, Vardit Eckhouse, Nir Davidson, and Asher A. Friesem, "Efficient coherent addition of fiber lasers in free space," Opt. Lett. 32, 790-792 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-7-790


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