Mode instability in high power fiber amplifiers | Zendy

Arlee V. Smith | Zendy; J. Joshua Smith | Zendy

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Mode instability in high power fiber amplifiers

Author(s) -

Arlee V. Smith,

J. Joshua Smith

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.010180

Subject(s) - optics , amplifier , fiber amplifier , bandwidth (computing) , materials science , erbium doped fiber amplifier , mode volume , optical fiber , polarization maintaining optical fiber , transverse plane , instability , optical amplifier , physics , fiber laser , optoelectronics , fiber optic sensor , telecommunications , laser , computer science , cmos , mechanics , structural engineering , engineering

For powers exceeding a sharp threshold in the vicinity of several hundred watts the beam quality from some narrow bandwidth fiber amplifiers is severely degraded. We show that this can be caused by transverse thermal gradients induced by the amplification process.

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