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Thermo-optical behavior of rare-earth-doped low-NA fibers in high power operation
Author(s) -
Steffen Hädrich,
Thomas Schreiber,
Thomas Pertsch,
Jens Limpert,
Thomas Peschel,
Ramona Eberhardt,
Andreas Tünnermann
Publication year - 2006
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.14.006091
Subject(s) - materials science , photonic crystal fiber , optics , numerical aperture , multi mode optical fiber , optical fiber , doping , fiber , mode volume , refractive index , modal , rare earth , microstructured optical fiber , optoelectronics , plastic optical fiber , composite material , wavelength , physics , metallurgy
The influence of the internal temperature gradient in rare-earth-doped low-numerical-aperture fibers on modal properties is analyzed for step-index and photonic crystal fibers. We provide guidelines when a single-mode fiber turns into a multimode fiber and how the mode-field-diameter is affected.

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