Dedicated optical fibers for dosimetry based on radiation-induced attenuation: experimental results

Benoit Brichard; Paul Borgermans; Francis Berghmans; Marc C. Decreton; Alexander L. Tomashuk; Ivan V. Nikolin; R. R. Khrapko; Konstantin M. Golant

doi:10.1117/12.373283

7 December 1999 Dedicated optical fibers for dosimetry based on radiation-induced attenuation: experimental results

Benoit Brichard, Paul Borgermans, Francis Berghmans, Marc C. Decreton, Alexander L. Tomashuk, Ivan V. Nikolin, R. R. Khrapko, Konstantin M. Golant

Author Affiliations +

Proceedings Volume 3872, Photonics for Space and Radiation Environments; (1999) https://doi.org/10.1117/12.373283
Event: Remote Sensing, 1999, Florence, Italy

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.

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Benoit Brichard, Paul Borgermans, Francis Berghmans, Marc C. Decreton, Alexander L. Tomashuk, Ivan V. Nikolin, R. R. Khrapko, and Konstantin M. Golant "Dedicated optical fibers for dosimetry based on radiation-induced attenuation: experimental results", Proc. SPIE 3872, Photonics for Space and Radiation Environments, (7 December 1999); https://doi.org/10.1117/12.373283

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