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Conferences > Sensors > 2023 > SW3D > SW3D.2

Qualification of a Fiber Bragg Grating Temperature Sensor for Operation in a Nuclear Reactor Core

G. Berkovic, S. Zilberman, Y. London, M. Dadon, E. Shafir, O. Ozeri, K. Ben-Meir, A. Krakovich, and T. Makmal

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Abstract

A Bragg grating inscribed on a radiation-hard fiber using a femtosecond laser and phase-mask showed very low (< 10 pm) wavelength shift when exposed to a very high ionizing radiation dose of 8 MGy in the core of a nuclear reactor. It was verified that this grating can accurately measure temperature under intense ionizing radiation.

© 2023 The Author(s)

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