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13 February 2012Coherent and spectral beam combining of fiber lasers
State-of-the-art diffraction-limited fiber lasers are presently capable of producing kilowatts of power. Power levels
produced by single elements are gradually increasing but beam combining techniques are attractive for rapidly scaling
fiber laser systems to much higher power levels. We discuss both coherent and spectral beam combining techniques for
scaling fiber laser systems to high brightness and high power. Recent results demonstrating beam combination of 500-W
commercial fiber laser amplifiers will be presented.
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S. J. Augst, S. M. Redmond, C. X. Yu, D. J. Ripin, T. Y. Fan, G. D. Goodno, P. A. Thielen, J. E. Rothenberg, A. Sanchez-Rubio, "Coherent and spectral beam combining of fiber lasers," Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 823704 (13 February 2012); https://doi.org/10.1117/12.905759