전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제64권11호
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  • Pages.1592-1597
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  • 2015
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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OTDR을 이용한 실리콘 오일 기반의 광섬유 온도 센서

Fiber-optic Temperature Sensor Using a Silicone Oil and an OTDR

  • Jang, Jae Seok (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Yoo, Wook Jae (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Shin, Sang Hun (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Lee, Dong Eun (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Kim, Mingeon (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Kim, Hye Jin (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Song, Young Beom (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Jang, Kyoung Won (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University) ;
  • Cho, Seunghyun (Department of Organic Materials & Fiber Engineering, College of Engineering, Soongsil University) ;
  • Lee, Bongsoo (School of Biomedical Engineering, College of Biomedical & Health Science, BK21 Plus Research Institute of Biomedical Engineering, Konkuk University)
  • 투고 : 2015.08.11
  • 심사 : 2015.10.29
  • 발행 : 2015.11.01
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초록

In this study, we developed a fiber-optic temperature sensor (FOTS) based on a silicone oil and an optical time domain reflectometer (OTDR) to apply the measurement of a coolant leakage in the nuclear power plant. The sensing probe of the FOTS consists of a silicone oil, a stainless steel cap, a FC terminator, and a single mode optical fiber. Fresnel reflection arising at the interface between the silicone oil and the single mode optical fiber in the sensing probe is changed by varying the refractive index of the silicone oil according to the temperature. Therefore, we measured the optical power of the light signals reflected from the sensing probe. The measurable temperature range of the FOTS using a Cu-coated silica fiber is from $70^{\circ}C$ to $340^{\circ}C$ and the maximum operation temperature of the FOTS is sufficient for usage at the secondary system in the nuclear power plant.

키워드

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피인용 문헌

  1. Silicon Oil-Based 2-Channel Fiber-Optic Temperature Sensor Using a Subtraction Method vol.25, pp.5, 2016, https://doi.org/10.5369/JSST.2016.25.5.344