4 August 2009 A novel technique for electronic phasing of high power fiber amplifier arrays
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Proceedings Volume 7386, Photonics North 2009; 73860W (2009) https://doi.org/10.1117/12.842546
Event: Photonics North 2009, 2009, Quebec, Canada
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.
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T. M. Shay, J. T. Baker, Anthony D. Sanchez, C. A. Robin, C. L. Vergien, C. Zeringue, D. Gallant, Chunte A. Lu, Benjamin Pulford, T. J. Bronder, Arthur Lucero, "A novel technique for electronic phasing of high power fiber amplifier arrays", Proc. SPIE 7386, Photonics North 2009, 73860W (4 August 2009); doi: 10.1117/12.842546; https://doi.org/10.1117/12.842546
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