Radiation resistance of optical fibres with fluorine-doped silica cladding

Eugeni M. Dianov; Konstantin M. Golant; R. R. Khrapko; Valery M. Mashinsky; Vladimir B. Neustruev; Alexei N. Guryanov; D. D. Gusovsky; S. I. Miroshnichenko; O. D. Sazhin

doi:10.1117/12.198642

30 December 1994 Radiation resistance of optical fibres with fluorine-doped silica cladding

Eugeni M. Dianov, Konstantin M. Golant, R. R. Khrapko, Valery M. Mashinsky, Vladimir B. Neustruev, Alexei N. Guryanov, D. D. Gusovsky, S. I. Miroshnichenko, O. D. Sazhin

Author Affiliations +

Proceedings Volume 2425, Optical Fibre Sensing and Systems in Nuclear Environments; (1994) https://doi.org/10.1117/12.198642
Event: Optical Fibre Sensing and Systems in Nuclear Environments, 1994, Mol, Belgium

Abstract

Spectra and kinetics of decay of (gamma) -irradiation induced loss in optical fibers with pure silica and Ge- and/or F-doped silica core and F-doped cladding made by MCVD and SPCVD methods were measured at room temperature. Induced loss in short-wavelength range is shown to decrease at Ge-content decrease and at F addition to the core glass. Minimum of induced loss is located in long-wavelength range, the best result (about 2 dB/km after the dose 10 kGy) being achieved on pure silica core MCVD fiber. Induced absorption band at 630 nm is observed in pure silica core fibers and it is suppressed by F-doping of the core glass.

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Eugeni M. Dianov, Konstantin M. Golant, R. R. Khrapko, Valery M. Mashinsky, Vladimir B. Neustruev, Alexei N. Guryanov, D. D. Gusovsky, S. I. Miroshnichenko, and O. D. Sazhin "Radiation resistance of optical fibres with fluorine-doped silica cladding", Proc. SPIE 2425, Optical Fibre Sensing and Systems in Nuclear Environments, (30 December 1994); https://doi.org/10.1117/12.198642

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