11 November 2002 Prediction of long-term radiation kinetics of transmission spectra of commerical optical glasses
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Abstract
We analyze the applicability of a number of exponent-type phenomenological kinetics for transmission degradation prediction in commercial optical glasses during and after irradiation. The analysis is based on post-radiation transmission measurements over a 5 years time interval of a commercial boro-silicate glass (BK7, Schott). A conclusion is drawn that the choice should be made between the stretched-exponential and the multi-exponential functions. We apply those kinetics to simulate kinetics of BK7 glass transmission spectra subject to Co60 gamma-radiation in the framework of the previously developed phenomenological model. Calculated transmission spectra agree well with our experimental data.
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Andrei I. Gusarov, Andrei I. Gusarov, Dominic B. Doyle, Dominic B. Doyle, Michel Fruit, Michel Fruit, Damien Pierre Kinet, Damien Pierre Kinet, "Prediction of long-term radiation kinetics of transmission spectra of commerical optical glasses", Proc. SPIE 4823, Photonics for Space Environments VIII, (11 November 2002); doi: 10.1117/12.452233; https://doi.org/10.1117/12.452233
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