Influence of F-doped silica cladding on the radiation hardness of SM-fibers with undoped silica core

Heinz Fabian; Karl-Friedrich Klein; Henning Henschel; Otmar Koehn; Hans Ulrich Schmidt; Peter B. Lyons; Larry D. Looney

doi:10.1117/12.21981

1 September 1990 Influence of F-doped silica cladding on the radiation hardness of SM-fibers with undoped silica core

Heinz Fabian, Karl-Friedrich Klein, Henning Henschel, Otmar Koehn, Hans Ulrich Schmidt, Peter B. Lyons, Larry D. Looney

Proceedings Volume 1314, Fibre Optics '90; (1990) https://doi.org/10.1117/12.21981
Event: Fibre Optics '90, 1990, London, United Kingdom

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.

Citation Download Citation

Heinz Fabian, Karl-Friedrich Klein, Henning Henschel, Otmar Koehn, Hans Ulrich Schmidt, Peter B. Lyons, and Larry D. Looney "Influence of F-doped silica cladding on the radiation hardness of SM-fibers with undoped silica core", Proc. SPIE 1314, Fibre Optics '90, (1 September 1990); https://doi.org/10.1117/12.21981

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