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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 8 — Aug. 1, 2007
  • pp: 1707–1715

Beam combining of ytterbium fiber amplifiers (Invited)

Steven J. Augst, Jinendra K. Ranka, T. Y. Fan, and Antonio Sanchez  »View Author Affiliations


JOSA B, Vol. 24, Issue 8, pp. 1707-1715 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001707


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Abstract

Fiber lasers are well suited to scaling to high average power using beam-combining techniques. For coherent combining, optical phase-noise characterization of a ytterbium fiber amplifier is required to perform a critical evaluation of various approaches to coherent combining. For wavelength beam combining, we demonstrate good beam quality from the combination of three fiber amplifiers, and we discuss system scaling and design trades between laser linewidth, beam width, grating dispersion, and beam quality.

© 2007 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Lasers and Amplifiers

History
Original Manuscript: November 2, 2006
Manuscript Accepted: January 7, 2007
Published: July 19, 2007

Citation
Steven J. Augst, Jinendra K. Ranka, T. Y. Fan, and Antonio Sanchez, "Beam combining of ytterbium fiber amplifiers (Invited)," J. Opt. Soc. Am. B 24, 1707-1715 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-8-1707

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