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Multimode optical fiber study for a new radiation dosimeter development

This paper presents the experimental results on preliminary study of the physical proprieties of the multimode optical fiber in radiation field delivered by electron linear accelerator of the National Research and Development Institute for Laser, Plasma and Radiation Physics (INFLPR). This study is based on the physical degradation effect of the optical fiber due to electron beam exposure measured through dependence of the exposure dose in electron beam and radiation induced attenuation. Optical fiber attenuations were measured before, during and after electron beam exposure. Results show a greater attenuation for multimode optical fiber of lower wavelength.