Power scaling of passively phased fiber amplifier arrays

Sami A. Shakir; Bill Culver; Burke Nelson; Yuji Starcher; George M. Bates; Jerry W. Hedrick Jr.

doi:10.1117/12.795172

3 September 2008 Power scaling of passively phased fiber amplifier arrays

Sami A. Shakir, Bill Culver, Burke Nelson, Yuji Starcher, George M. Bates, Jerry W. Hedrick Jr.

Proceedings Volume 7070, Optical Technologies for Arming, Safing, Fuzing, and Firing IV; 70700N (2008) https://doi.org/10.1117/12.795172
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Passive phasing of fiber amplifier arrays are promising for the power scaling of high power fiber laser systems. The broadband operation of passively phased systems mitigates nonlinear effects such as Stimulated Brillouin Scattering. This leads to the possibility of scaling the individual fiber amplifiers in the passively phased arrays to multi-kilowatt power levels. In effect, a smaller number of fiber amplifiers can be used compared to other methods of fiber amplifiers combining. We report the passive phasing of 16 Yb-doped fiber amplifiers at 5W each for a total of 80W.

Citation Download Citation

Sami A. Shakir, Bill Culver, Burke Nelson, Yuji Starcher, George M. Bates, and Jerry W. Hedrick Jr. "Power scaling of passively phased fiber amplifier arrays", Proc. SPIE 7070, Optical Technologies for Arming, Safing, Fuzing, and Firing IV, 70700N (3 September 2008); https://doi.org/10.1117/12.795172

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