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Proceedings Paper

Mode instability thresholds of fiber amplifiers
Author(s): Arlee V. Smith; Jesse J. Smith
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Paper Abstract

We show by detailed numerical modeling that stimulated thermal Rayleigh scattering can account for the modal instability observed in high power fiber amplifiers. Our model illustrates how the instability threshold power can be maximized by eliminating amplitude and phase modulation of the signal seed light and the pump light and by careful injection of the signal seed light. We also illustrate the influence of photodarkening and mode specific loss.

Paper Details

Date Published: 26 February 2013
PDF: 6 pages
Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 860108 (26 February 2013); doi: 10.1117/12.2002669
Show Author Affiliations
Arlee V. Smith, AS-Photonics, LLC (United States)
Jesse J. Smith, AS-Photonics, LLC (United States)


Published in SPIE Proceedings Vol. 8601:
Fiber Lasers X: Technology, Systems, and Applications
Sami T. Hendow, Editor(s)

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