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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 4 — Feb. 15, 2007
  • pp: 349–351

522 W average power, spectrally beam-combined fiber laser with near-diffraction-limited beam quality

Thomas H. Loftus, Anping Liu, Paul R. Hoffman, Alison M. Thomas, Marc Norsen, Rob Royse, and Eric Honea  »View Author Affiliations


Optics Letters, Vol. 32, Issue 4, pp. 349-351 (2007)
http://dx.doi.org/10.1364/OL.32.000349


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Abstract

We report a three-channel, spectrally beam-combined (SBC), 1 μ m fiber laser that produces 522 W of average power with near-diffraction-limited ( M 2 1.2 ) beam quality. The laser features a SBC power combining efficiency of 93%, versatile master-oscillator, power-amplifier fiber channels with up to 260 W of narrowband, polarized, and near-diffraction-limited output that is tunable over nearly the entire 1 μ m Yb 3 + gain bandwidth, and excellent prospects for significant power scaling. To our knowledge, these results represent the highest beam quality and average power achieved to date for a beam-combined fiber laser system.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 15, 2006
Revised Manuscript: September 29, 2006
Manuscript Accepted: September 30, 2006
Published: January 26, 2007

Citation
Thomas H. Loftus, Anping Liu, Paul R. Hoffman, Alison M. Thomas, Marc Norsen, Rob Royse, and Eric Honea, "522 W average power, spectrally beam-combined fiber laser with near-diffraction-limited beam quality," Opt. Lett. 32, 349-351 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-4-349

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