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Proceedings Paper

Dedicated optical fibers for dosimetry based on radiation-induced attenuation: experimental results
Author(s): Benoit Brichard; Paul Borgermans; Francis Berghmans; Marc C. Decreton; Alexander L. Tomashuk; Ivan V. Nikolin; R. R. Khrapko; Konstantin M. Golant
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Paper Abstract

Nuclear industry may benefit from the implementation of Optical Fiber Sensor (OFS) technology. This is obvious if the OFS integrates features that meet specific nuclear sensing needs, such as distributed dose monitoring in underground radioactive waste disposals. The use of radiation sensitive fibers for dosimetry has already been proposed in literature. In this paper, we report on our gamma irradiation of such dedicated Ge-P co-doped and pure P-doped optical fiber, fabricated by the Fiber Optic Research Center in Moscow. We show that after a careful selection of the wavelength at which the radiation-induced attenuation is measured, it is possible to reconstruct the dose within 20% accuracy by means of a linear model or a second order polynomial, depending on the temperature.

Paper Details

Date Published: 7 December 1999
PDF: 7 pages
Proc. SPIE 3872, Photonics for Space and Radiation Environments, (7 December 1999); doi: 10.1117/12.373283
Show Author Affiliations
Benoit Brichard, SCK-CEN (Belgium)
Paul Borgermans, SCK-CEN (Belgium)
Francis Berghmans, SCK-CEN (Belgium)
Marc C. Decreton, SCK-CEN (Belgium)
Alexander L. Tomashuk, Fiber Optic Research Ctr. (Russia)
Ivan V. Nikolin, Fiber Optic Research Ctr. (Russia)
R. R. Khrapko, Fiber Optic Research Ctr. (Russia)
Konstantin M. Golant, Fiber Optic Research Ctr. (Russia)

Published in SPIE Proceedings Vol. 3872:
Photonics for Space and Radiation Environments
Edward W. Taylor; Francis Berghmans, Editor(s)

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