Theoretical explanation of enhanced low dose rate sensitivity in erbium-doped optical fibers

A new theoretical framework is proposed to explain the dose and dose-rate dependence of radiation-induced absorption in optical fibers. A first-order dispersive kinetics model is used to simulate the growth of the density of color centers during an irradiation. This model succeeds in explaining the...

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Bibliographic Details
Published in:Applied optics (2004) 2012-05, Vol.51 (13), p.2230-2235
Main Authors: Gilard, Olivier, Thomas, Jérémie, Troussellier, Laurent, Myara, Mikhael, Signoret, Philippe, Burov, Ekaterina, Sotom, Michel
Format: Article
Language:English
Subjects:
Color centers
Computer simulation
Density
Dosage
Electronics
Engineering Sciences
Irradiation
Optical fibers
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Summary:A new theoretical framework is proposed to explain the dose and dose-rate dependence of radiation-induced absorption in optical fibers. A first-order dispersive kinetics model is used to simulate the growth of the density of color centers during an irradiation. This model succeeds in explaining the enhanced low dose rate sensitivity observed in certain kinds of erbium-doped optical fiber and provides some insight into the physical reasons behind this sensitivity.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.51.002230