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Proceedings Paper

Power scaling of passively phased fiber amplifier arrays
Author(s): Sami A. Shakir; Bill Culver; Burke Nelson; Yuji Starcher; George M. Bates; Jerry W. Hedrick Jr.
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Paper 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.

Paper Details

Date Published: 3 September 2008
PDF: 6 pages
Proc. SPIE 7070, Optical Technologies for Arming, Safing, Fuzing, and Firing IV, 70700N (3 September 2008); doi: 10.1117/12.795172
Show Author Affiliations
Sami A. Shakir, Northrop Grumman, NGIT/DES (United States)
Bill Culver, Northrop Grumman, NGIT/DES (United States)
Burke Nelson, Northrop Grumman, NGIT/DES (United States)
Yuji Starcher, Northrop Grumman, NGIT/DES (United States)
George M. Bates, Northrop Grumman, NGES (United States)
Jerry W. Hedrick Jr., Northrop Grumman, NGES (United States)

Published in SPIE Proceedings Vol. 7070:
Optical Technologies for Arming, Safing, Fuzing, and Firing IV
Fred M. Dickey; Richard A. Beyer, Editor(s)

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