17 May 2000 Mechanism of excitation and quenching of 3.15-eV luminescence in germanosilicate glass
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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.
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Eugeni M. Dianov, Valery M. Mashinsky, Vladimir B. Neustruev, Oleg D. Sazhin, 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); doi: 10.1117/12.385642; https://doi.org/10.1117/12.385642
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