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Proceedings Paper

High-power phase locking of a fiber amplifier array
Author(s): 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
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Paper 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.

Paper Details

Date Published: 19 February 2009
PDF: 8 pages
Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 71951M (19 February 2009); doi: 10.1117/12.809416
Show Author Affiliations
T. M. Shay, Air Force Research Lab. (United States)
J. T. Baker, Boeing LTS, Inc. (United States)
A. D. Sanchez, Air Force Research Lab. (United States)
C. A. Robin, Air Force Research Lab. (United States)
C. L. Vergien, Air Force Research Lab. (United States)
C. Zeringue, Air Force Research Lab. (United States)
D. Gallant, Boeing LTS, Inc. (United States)
Chunte A. Lu, Air Force Research Lab. (United States)
Benjamin Pulford, Air Force Research Lab. (United States)
T. J. Bronder, Air Force Research Lab. (United States)
Arthur Lucero, Boeing LTS Inc. (United States)


Published in SPIE Proceedings Vol. 7195:
Fiber Lasers VI: Technology, Systems, and Applications
Denis V. Gapontsev; Dahv A. Kliner; Jay W. Dawson; Kanishka Tankala, Editor(s)

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