Mechanism of excitation and quenching of 3.15-eV luminescence in germanosilicate glass

Eugeni M. Dianov; Valery M. Mashinsky; Vladimir B. Neustruev; Oleg D. Sazhin; Vladimir A. Sidorov

doi:10.1117/12.385642

17 May 2000 Mechanism of excitation and quenching of 3.15-eV luminescence in germanosilicate glass

Eugeni M. Dianov, Valery M. Mashinsky, Vladimir B. Neustruev, Oleg D. Sazhin, Vladimir A. Sidorov

Proceedings Volume 4083, Advances in Fiber Optics; (2000) https://doi.org/10.1117/12.385642
Event: Advances in Fiber Optics, 2000, Moscow, Russian Federation

Abstract

The influence of hydrostatic densification of the parameters of the 3.15-eV luminescence and on the efficiency of photocoloration of germanosilicate glass is investigated. A four-fold decrease of the luminescence intensity under excitation at both 5 eV and 3.7 eV is revealed after 19% densification of the glass. A mechanism of relaxation of excitation of germanium oxygen-deficient centers is proposed based on the model of bistable oxygen vacancy. This mechanism explains the high sensitivity of the 3.15-eV luminescence to strain and temperature quenching.

Citation Download Citation

Eugeni M. Dianov, Valery M. Mashinsky, Vladimir B. Neustruev, Oleg D. Sazhin, and Vladimir A. Sidorov "Mechanism of excitation and quenching of 3.15-eV luminescence in germanosilicate glass", Proc. SPIE 4083, Advances in Fiber Optics, (17 May 2000); https://doi.org/10.1117/12.385642

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