An experimental and theoretical study of the influence of Cerenkov radiation on optical fiber X-ray sensors

Haopeng Li; Tianci Xie; Jinqian Qian; Qieming Shi; Bin Zhang; Bo He; Xinyu Dai; Wenhui Zhao; Song Li; Zhuang Qin; Jun Xu; Kun Feng; Elfed Lewis; Weimin Sun

doi:10.1016/j.measurement.2020.108863

An experimental and theoretical study of the influence of Cerenkov radiation on optical fiber X-ray sensors

Haopeng Li, Tianci Xie, Jinqian Qian, Qieming Shi, Bin Zhang, Bo He, Xinyu Dai, Wenhui Zhao, Song Li, Zhuang Qin, Jun Xu, Kun Feng, Elfed Lewis, Weimin Sun

Department of Electronics & Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The use of optical fiber X-ray sensors is of great significance in X-ray detection. To reduce the influence of background noise attributed to sources such as Cerenkov radiation, the response of a plain (no scintillator material added) optical fiber to the X-ray radiation is investigated. The percentage dose-depth (PDD) of plain optical fibers with and without visible light blocking end caps are calculated and are clearly different. The leakage of Cerenkov radiation and presence of Compton scattering from water into the sensing probe is considered as the reason for the difference. A theoretical model to explain the difference is proposed. The experimental results fit well to the theoretical expectation.

Original language	English
Article number	108863
Journal	Measurement: Journal of the International Measurement Confederation
Volume	171
DOIs	https://doi.org/10.1016/j.measurement.2020.108863
Publication status	Published - Feb 2021

Keywords

Cerenkov radiation
Optical fiber sensors
Percentage depth dose (PDD)
Recoil electrons
X-ray detection

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10.1016/j.measurement.2020.108863

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Li, H., Xie, T., Qian, J., Shi, Q., Zhang, B., He, B., Dai, X., Zhao, W., Li, S., Qin, Z., Xu, J., Feng, K., Lewis, E., & Sun, W. (2021). An experimental and theoretical study of the influence of Cerenkov radiation on optical fiber X-ray sensors. Measurement: Journal of the International Measurement Confederation, 171, Article 108863. https://doi.org/10.1016/j.measurement.2020.108863

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title = "An experimental and theoretical study of the influence of Cerenkov radiation on optical fiber X-ray sensors",

abstract = "The use of optical fiber X-ray sensors is of great significance in X-ray detection. To reduce the influence of background noise attributed to sources such as Cerenkov radiation, the response of a plain (no scintillator material added) optical fiber to the X-ray radiation is investigated. The percentage dose-depth (PDD) of plain optical fibers with and without visible light blocking end caps are calculated and are clearly different. The leakage of Cerenkov radiation and presence of Compton scattering from water into the sensing probe is considered as the reason for the difference. A theoretical model to explain the difference is proposed. The experimental results fit well to the theoretical expectation.",

keywords = "Cerenkov radiation, Optical fiber sensors, Percentage depth dose (PDD), Recoil electrons, X-ray detection",

author = "Haopeng Li and Tianci Xie and Jinqian Qian and Qieming Shi and Bin Zhang and Bo He and Xinyu Dai and Wenhui Zhao and Song Li and Zhuang Qin and Jun Xu and Kun Feng and Elfed Lewis and Weimin Sun",

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T1 - An experimental and theoretical study of the influence of Cerenkov radiation on optical fiber X-ray sensors

AU - Li, Haopeng

AU - Xie, Tianci

AU - Qian, Jinqian

AU - Shi, Qieming

AU - Zhang, Bin

AU - He, Bo

AU - Dai, Xinyu

AU - Zhao, Wenhui

AU - Li, Song

AU - Qin, Zhuang

AU - Xu, Jun

AU - Feng, Kun

AU - Lewis, Elfed

AU - Sun, Weimin

PY - 2021/2

Y1 - 2021/2

N2 - The use of optical fiber X-ray sensors is of great significance in X-ray detection. To reduce the influence of background noise attributed to sources such as Cerenkov radiation, the response of a plain (no scintillator material added) optical fiber to the X-ray radiation is investigated. The percentage dose-depth (PDD) of plain optical fibers with and without visible light blocking end caps are calculated and are clearly different. The leakage of Cerenkov radiation and presence of Compton scattering from water into the sensing probe is considered as the reason for the difference. A theoretical model to explain the difference is proposed. The experimental results fit well to the theoretical expectation.

AB - The use of optical fiber X-ray sensors is of great significance in X-ray detection. To reduce the influence of background noise attributed to sources such as Cerenkov radiation, the response of a plain (no scintillator material added) optical fiber to the X-ray radiation is investigated. The percentage dose-depth (PDD) of plain optical fibers with and without visible light blocking end caps are calculated and are clearly different. The leakage of Cerenkov radiation and presence of Compton scattering from water into the sensing probe is considered as the reason for the difference. A theoretical model to explain the difference is proposed. The experimental results fit well to the theoretical expectation.

KW - Cerenkov radiation

KW - Optical fiber sensors

KW - Percentage depth dose (PDD)

KW - Recoil electrons

KW - X-ray detection

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JO - Measurement: Journal of the International Measurement Confederation

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An experimental and theoretical study of the influence of Cerenkov radiation on optical fiber X-ray sensors

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Keywords

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