Fiber optic Cerenkov radiation sensor system to estimate burn-up of spent fuel: characteristic evaluation of the system using Co-60 source

S. H. Shin; K. W. Jang; D. Jeon; S. Hong; S. G. Kim; H. I. Sim; W. J. Yoo; B. G. Park; B. Lee

doi:10.1117/12.2034193

15 October 2013 Fiber optic Cerenkov radiation sensor system to estimate burn-up of spent fuel: characteristic evaluation of the system using Co-60 source

S. H. Shin, K. W. Jang, D. Jeon, S. Hong, S. G. Kim, H. I. Sim, W. J. Yoo, B. G. Park, B. Lee

Author Affiliations +

Proceedings Volume 8924, Fourth Asia Pacific Optical Sensors Conference; 89241N (2013) https://doi.org/10.1117/12.2034193
Event: Asia Pacific Optical Sensors Conference 2013, 2013, Wuhan, China

Abstract

Cerenkov radiation occurs when charged particles are moving faster than the speed of light in a transparent dielectric medium. In optical fibers, the Cerenkov light also can be generated due to their dielectric components. Accordingly, the radiation-induced light signals can be obtained using optical fibers without any scintillating material. In this study, to measure the intensities of Cerenkov radiation induced by gamma-rays, we have fabricated the fiber-optic Cerenkov radiation sensor system using silica optical fibers, plastic optical fibers, multi-anode photomultiplier tubes, and a scanning system. To characterize the Cerenkov radiation generated in optical fibers, the spectra of Cerenkov radiation generated in the silica and plastic optical fibers were measured. Also, the intensities of Cerenkov radiation induced by gamma-rays generated from a cylindrical Co-60 source with or without lead shielding were measured using the fiberoptic Cerenkov radiation sensor system.

Citation Download Citation

S. H. Shin, K. W. Jang, D. Jeon, S. Hong, S. G. Kim, H. I. Sim, W. J. Yoo, B. G. Park, and B. Lee "Fiber optic Cerenkov radiation sensor system to estimate burn-up of spent fuel: characteristic evaluation of the system using Co-60 source", Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 89241N (15 October 2013); https://doi.org/10.1117/12.2034193

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