Spectral and luminescent properties of Bi-doped bulk glasses and factors acting on them

Boris I. Denker; Boris I. Galagan; Ilya L. Shulman; Sergey E. Sverchkov; Evgeny M. Dianov

doi:10.1117/12.840628

25 February 2010 Spectral and luminescent properties of Bi-doped bulk glasses and factors acting on them

Boris I. Denker, Boris I. Galagan, Ilya L. Shulman, Sergey E. Sverchkov, Evgeny M. Dianov

Proceedings Volume 7598, Optical Components and Materials VII; 759805 (2010) https://doi.org/10.1117/12.840628
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

The properties near infrared (NIR) - emitting centers were investigated in Bi-doped Mg.Al-silicate and phosphate glasses. The NIR-emitting optical centers containing a pair of bismuth ions were shown to be formed in a reversible redox chemical reaction. The common electric charge (+5) of bismuth ions in such centers was determined. The NIR-emission saturation measurements have made it possible to calculate the ground-state absorption cross-section (~4.4×~10^-19 cm²) of these centers at 532 nm and their absolute concentration in the glass. It was found that similar emitting centers can also be formed in a colorless and non-luminescent Bi-doped glass by γ-irradiation. This fact allowed deriving some conclusions on an optical center structure.

Citation Download Citation

Boris I. Denker, Boris I. Galagan, Ilya L. Shulman, Sergey E. Sverchkov, and Evgeny M. Dianov "Spectral and luminescent properties of Bi-doped bulk glasses and factors acting on them", Proc. SPIE 7598, Optical Components and Materials VII, 759805 (25 February 2010); https://doi.org/10.1117/12.840628

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