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Proceedings Paper

Prediction of long-term radiation kinetics of transmission spectra of commerical optical glasses
Author(s): Andrei I. Gusarov; Dominic B. Doyle; Michel Fruit; Damien Pierre Kinet
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Paper 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.

Paper Details

Date Published: 11 November 2002
PDF: 9 pages
Proc. SPIE 4823, Photonics for Space Environments VIII, (11 November 2002); doi: 10.1117/12.452233
Show Author Affiliations
Andrei I. Gusarov, Multitel A.S.B.L. (Belgium)
Dominic B. Doyle, European Space Agency/ESTEC (Netherlands)
Michel Fruit, Astrium SAS (France)
Damien Pierre Kinet, Multitel A.S.B.L. (Belgium)

Published in SPIE Proceedings Vol. 4823:
Photonics for Space Environments VIII
Edward W. Taylor, Editor(s)

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