Investigation of the Dosimetry Properties of Radioluminescent Nitrogen-Doped Tapered Optical Fibers

Fricano, F.; Vallifuoco, R.; Lambert, D.; Morana, A.; Paillet, P.; Marin, E.; Catalano, E.; Minardo, A.; Ouerdane, Y.; Boukenter, A.; Girard, Sylvain

doi:10.1109/jsen.2023.3316773

Cited by 2 publications

(1 citation statement)

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“…In this case, to detect GCR as for the atmospheric environment, one could imagine to exploit another type of fiber dosimeters based on radioluminescence that could detect lower flux of particles [37]. GCR detection through RIA will probably require a dedicated fiber with higher detection efficiency and dedicated geometry (such as tapered optical fibers [39]) and materials. Solar peak protons can be detected with a one-minute resolution with a fiber length of around 1 km, that is clearly realistic with a point sensor such as LUMINA.…”

Section: ) Space Scenariosmentioning

confidence: 99%

Simulation-Assisted Methodology for the Design of Fiber-Based Dosimeters for a Variety of Radiation Environments

Lambert,

Girard,

Santin

et al. 2024

IEEE Trans. Nucl. Sci.

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We present a simulation-assisted methodology for the design of point or distributed fiber dosimeters exploiting the linear dependence of the infrared radiation-induced attenuation of a single-mode phosphosilicate optical fiber. We demonstrate by comparing Monte Carlo simulations and experiments at different irradiation facilities (X-rays, -rays, protons and atmospheric neutrons) that the sensitivity coefficient of this fiber is independent on the nature of particles and on dose rate, at least up to total ionizing doses in the order of 500 Gy. Our simulations allow us to simulate the dose deposited in the fiber core (and then the Radiation Induced Attenuation (RIA) levels) for the different classes of particles (photons, electrons, neutrons, protons and heavy ions) and for different energy ranges. From this data, and knowing the environments of targeted applications for the fiber optic dosimeters, we can discuss the different designs and achievable performance using this fiber. Examples are discussed with space applications, atmospheric balloon experiments and fusion-devoted facilities.

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Section: ) Space Scenariosmentioning

confidence: 99%