High-power phase locking of a fiber amplifier array

T. M. Shay; J. T. Baker; A. D. Sanchez; C. A. Robin; C. L. Vergien; C. Zeringue; D. Gallant; Chunte A. Lu; Benjamin Pulford; T. J. Bronder; Arthur Lucero

doi:10.1117/12.809416

19 February 2009 High-power phase locking of a fiber amplifier array

T. M. Shay, J. T. Baker, A. D. Sanchez, C. A. Robin, C. L. Vergien, C. Zeringue, D. Gallant, Chunte A. Lu, Benjamin Pulford, T. J. Bronder, Arthur Lucero

Author Affiliations +

Proceedings Volume 7195, Fiber Lasers VI: Technology, Systems, and Applications; 71951M (2009) https://doi.org/10.1117/12.809416
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We report high power phase locked fiber amplifier array using the Self-Synchronous Locking of Optical Coherence by Single-detector Electronic-frequency Tagging technique. We report the first experimental results for a five element amplifier array with a total locked power of more than 725-W. We will report on experimental measurements of the phase fluctuations versus time when the control loop is closed. The rms phase error was measured to be λ/60. Recent results will be reported. To the best of the authors' knowledge this is the highest fiber laser power to be coherently combined.

Citation Download Citation

T. M. Shay, J. T. Baker, A. D. Sanchez, C. A. Robin, C. L. Vergien, C. Zeringue, D. Gallant, Chunte A. Lu, Benjamin Pulford, T. J. Bronder, and Arthur Lucero "High-power phase locking of a fiber amplifier array", Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 71951M (19 February 2009); https://doi.org/10.1117/12.809416

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