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Start Over Author "Bogatyrjov, V.A." Publisher elsevier b.v.
3 results on '"Bogatyrjov, V.A."'

3. Reduction of the radiation-induced absorption in hydrogenated pure silica core fibres irradiated in situ with γ-rays

Author

Brichard, B., Tomashuk, A.L., Bogatyrjov, V.A., Fernandez, A.F., Klyamkin, S.N., Girard, S., and Berghmans, F.

Subjects
*ABSORPTION, *RADIATION, *SILICON compounds, *NONMETALS
Abstract

Abstract: We studied the efficiency of a hydrogen-treatment in different pure silica core fibres irradiated by γ-ray in an attempt to decrease the radiation-induced absorption (RIA). It is observed that the effect of hydrogen already reduces the drawing-induced band commonly observed in low-OH fibres. During irradiation we observe a large increase of the radiation-induced OH growth with a corresponding significant reduction of the radiation-induced absorption at 0.63μm. The presence of hydrogen also reduces the transient radiation-induced absorption at 0.7μm sometimes observed in low-OH/low-chlorine fibres and believed to pertain to self-trapped holes (STHs). [Copyright &y& Elsevier]

Published
2007
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