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Proceedings Paper

Influence of F-doped silica cladding on the radiation hardness of SM-fibers with undoped silica core
Author(s): Heinz Fabian; Karl-Friedrich Klein; Henning Henschel; Otmar Koehn; Hans Ulrich Schmidt; Peter B. Lyons; Larry D. Looney
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Paper Abstract

Three SM-preforms with the same undoped OH-rich core material [1] and different fluorine content in the cladding are produced. From these preforms SM-fibers with different diameter are drawn and characterized by fiber diameter, cut-off wavelength, and effective V-parameter at 850 nm. The fibers are tested under continuous 60Co-irradiation and pulsed irradiation. All measurements are performed at about 850 nm wavelength and room temperature. Due to different power distributions in SM-fibers with different V-parameters, the influence of radiation induced attenuation in the fluorine doped silica cladding is examined and the dependence of this attenuation on the fluorine concentration is shown. In addition MM-fibers with same core material are irradiated as a reference for the core material.

Paper Details

Date Published: 1 September 1990
PDF: 10 pages
Proc. SPIE 1314, Fibre Optics '90, (1 September 1990); doi: 10.1117/12.21981
Show Author Affiliations
Heinz Fabian, Heraeus Quarzglas GmbH (Germany)
Karl-Friedrich Klein, Heraeus Quarzglas GmbH (Germany)
Henning Henschel, Fraunhofer-INT (Germany)
Otmar Koehn, Fraunhofer-INT (Germany)
Hans Ulrich Schmidt, Fraunhofer-INT (Germany)
Peter B. Lyons, Los Alamos National Lab. (United States)
Larry D. Looney, Los Alamos National Lab. (United States)

Published in SPIE Proceedings Vol. 1314:
Fibre Optics '90

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