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Proceedings Paper

High power spectrally beam combined fiber laser with near-diffraction limited beam quality
Author(s): Thomas H. Loftus; Paul R. Hoffman; Alison M. Thomas; Marc Norsen; Robert Royse; Eric Honea
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Paper Abstract

We describe a three-channel, spectrally beam combined (SBC), 1-&mgr;m fiber laser that features a SBC power combining efficiency of 93%, versatile master-oscillator, power-amplifier (MOPA) fiber channels with up to 260 W of narrowband, polarized, and near-diffraction limited output, and currently produces 522 W of average power with a dispersed (non-dispersed) beam quality at 522 W of 1.18x (1.22x) diffraction limited. To our knowledge, these results represent the best combination of output power and beam quality achieved by SBC to date.

Paper Details

Date Published: 20 February 2007
PDF: 6 pages
Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64530S (20 February 2007); doi: 10.1117/12.702574
Show Author Affiliations
Thomas H. Loftus, Aculight Corp. (United States)
Paul R. Hoffman, Aculight Corp. (United States)
Alison M. Thomas, Aculight Corp. (United States)
Marc Norsen, Aculight Corp. (United States)
Robert Royse, Aculight Corp. (United States)
Eric Honea, Aculight Corp. (United States)


Published in SPIE Proceedings Vol. 6453:
Fiber Lasers IV: Technology, Systems, and Applications
Donald J. Harter; Andreas Tünnermann; Jes Broeng; Clifford Headley, Editor(s)

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