Investigation of radiation response on pure silica large core fibers at low dose levels

Zhang, Mei; Zhao, Ji-Zhen; Li, Yang; Shen, Liang; Guo, Qi; Zhang, Yanhong; Yuan, Yuan; Ma, Yan; Yan, Yihong

doi:10.1016/j.nima.2022.167931

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Effect Of Gamma Radiation On Silica Fibres1

Introduction1

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2023

2024

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Cited by 2 publications

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“…RIA should be considered, especially when RIA-tolerant optical fibres are used. The amplitudes of these macroscopic changes strongly depend on the properties of the fibres under test, the radiation environment, and the application parameters [3,4].…”

Section: Effect Of Gamma Radiation On Silica Fibresmentioning

confidence: 99%

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Pmma Optical Fibre Irradiated With Co-60 for Optical Fibre Sensors

2023

RAD Conference Proceedings

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Plastic optical fibres (POF) made of polymethyl methacrylate (PMMA) have several advantages over traditional optical fibres, including lower cost, the possibility of larger diameters and better mechanical resistance. These properties make them an attractive option for sensor technologies, including radiation dosimetry. This paper compares PMMA optical fibre with pure silica core optical fibre. Both fibres are useful for ionising radiation measurements. To evaluate the effect of ionising radiation, we have developed and designed a measurement system that allows continuous measurement of attenuation during the ionising radiation irradiation process. We used a technique that measured changes in laser power transmitted through an optical fibre at a constant gamma radiation dose rate.

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Section: Effect Of Gamma Radiation On Silica Fibresmentioning

confidence: 99%

“…The properties of optical fibres under radiation change by three mechanisms: radiationinduced attenuation (RIA), radiation-induced emission (RIE), and refractive index (RI) change. The magnitude of these changes depends on the properties of the fibres used, the radiation environment and the specific application parameters [3,4].…”

Section: Introductionmentioning

confidence: 99%