Spectrally beam combined fiber lasers for high power, efficiency, and brightness

Eric Honea; Robert S. Afzal; Matthias Savage-Leuchs; Neil Gitkind; Richard Humphreys; Jason Henrie; Khush Brar; Don Jander

doi:10.1117/12.2021808

22 March 2013 Spectrally beam combined fiber lasers for high power, efficiency, and brightness

Eric Honea, Robert S. Afzal, Matthias Savage-Leuchs, Neil Gitkind, Richard Humphreys, Jason Henrie, Khush Brar, Don Jander

Author Affiliations +

Proceedings Volume 8601, Fiber Lasers X: Technology, Systems, and Applications; 860115 (2013) https://doi.org/10.1117/12.2021808
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

Spectral Beam Combining (SBC) of fiber lasers provides a simple, robust architecture for power scaling lasers to high power. With appropriate designs, power scaling beyond the single fiber limit can be achieved while maintaining near diffraction limited beam quality and high efficiency. We present experimental results where we achieved > 3 kW at an M² = 1.35 and > 39% E-O efficiency by combining 12 individual fiber lasers into a single high brightness beam.

Citation Download Citation

Eric Honea, Robert S. Afzal, Matthias Savage-Leuchs, Neil Gitkind, Richard Humphreys, Jason Henrie, Khush Brar, and Don Jander "Spectrally beam combined fiber lasers for high power, efficiency, and brightness", Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 860115 (22 March 2013); https://doi.org/10.1117/12.2021808

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