High Resolution One-Dimensional Dose Measurement Using a Movable Miniature Fiber-Optic Radiation Sensor

Bong Soo Lee; Dong Hyun Cho; Soon Cheol Chung; Jeong Han Yi; Kyung Won Chang; Sin Kim; Hyo Sung Cho; Si Yong Kim

doi:10.4028/www.scientific.net/KEM.321-323.992

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 321-323High Resolution One-Dimensional Dose Measurement...

High Resolution One-Dimensional Dose Measurement Using a Movable Miniature Fiber-Optic Radiation Sensor

Abstract:

The aim of this study is to develop a new method to measure one-dimensional dose distribution of high-energy electron using a miniature fiber-optic radiation sensor. The measurements are made by a thin plastic optical fiber with an organic scintillating sensor tip. The scintillating light in the visible wavelength range is guided to a silicon photodiode by plastic optical fiber in order to convert light output to electrical signal. The one-dimensional spatial dependence of elctron beam is measured by moving the sensor tip with uniform speed. It is shown that this fiber-optic radiation sensor has better spatial resolution than conventional ion chamber and it needs much less time to measure one-dimensional dose distribution in the high radiation fields.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

992-995

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.992

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Online since:

October 2006

Authors:

Bong Soo Lee, Dong Hyun Cho, Soon Cheol Chung, Jeong Han Yi, Kyung Won Chang, Sin Kim, Hyo Sung Cho, Si Yong Kim

Keywords:

Dose Distribution, Optical Fibre, Radiation Sensor, Scintillating Light

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