Filamentation Analysis in Large-Mode-Area Fiber Lasers

L. Sun; J. R. Marciante

doi:10.1364/FIO.2006.FThN5

Frontiers in Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2006),
paper FThN5
•https://doi.org/10.1364/FIO.2006.FThN5

Filamentation Analysis in Large-Mode-Area Fiber Lasers

L. Sun and J. R. Marciante

Frontiers in Optics 2006

Rochester, New York United States
10–13 October 2006
ISBN: 1-55752-818-7

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Novel Fibers and Fiber Lasers (FThN)

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L. Sun and J. R. Marciante, "Filamentation Analysis in Large-Mode-Area Fiber Lasers," in Frontiers in Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2006), paper FThN5.

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Abstract

We drive an analytic expression for filament gain in fiber lasers due to self focusing. The filamentation process has two thresholds that must be met, with beam-quality degradation occurring for peak powers above a megawatt.

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