Radiation-induced optical attenuation of Co/Fe co-doped alumino-silicate optical fiber for radiation dosimeter application

Youngwoong Kim; Seongmin Ju; Seongmook Jeong; Jong-Yeol Kim; Nam-Ho Lee; Hyun-Kyu Jung; Won-Taek Han

doi:10.1117/12.2025983

20 May 2013 Radiation-induced optical attenuation of Co/Fe co-doped alumino-silicate optical fiber for radiation dosimeter application

Youngwoong Kim, Seongmin Ju, Seongmook Jeong, Jong-Yeol Kim, Nam-Ho Lee, Hyun-Kyu Jung, Won-Taek Han

Author Affiliations +

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87941A (2013) https://doi.org/10.1117/12.2025983
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

Possibility of a Co/Fe co-doped alumino-silicate optical fiber as a radiation dosimeter application was investigated from the measurement of radiation-induced optical attenuation (RIA). The RIA at 1310 nm of the optical fiber upon gammaray irradiation was found to increase linearly with the radiation dose. The extent of the RIA increase to 11,900 dB/km at radiation dose rate of 20 Gy/min for 1 hour was 70 times larger than that of the reference single mode fiber and the RIA remained almost constant after 5 minutes of the irradiation termination.

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Youngwoong Kim, Seongmin Ju, Seongmook Jeong, Jong-Yeol Kim, Nam-Ho Lee, Hyun-Kyu Jung, and Won-Taek Han "Radiation-induced optical attenuation of Co/Fe co-doped alumino-silicate optical fiber for radiation dosimeter application", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87941A (20 May 2013); https://doi.org/10.1117/12.2025983

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