Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Fabrication and Application of Palladium Coated Fiber-Optic Hydrogen Detection Sensor

팔라듐이 코팅된 광섬유 수소 검출 센서 제작과 응용

  • 김광택 (호남대학교 전자공학과) ;
  • 이상원 (호남대학교 전자공학과) ;
  • 김동근 (호남대학교 전자공학과) ;
  • 최누리 (호남대학교 전자공학과) ;
  • 이종력 (호남대학교 전자공학과) ;
  • 백세종 (에스제이포토닉스주식회사)
  • Received : 2018.01.08
  • Accepted : 2018.01.25
  • Published : 2018.03.01
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Abstract

We have proposed a hydrogen detection sensor based on a Pd (palladium)-coated, single-mode, optical fiber. The experimental results demonstrated that the sensor could detect hydrogen in air as well as in insulation oil. The influence of Pd film thickness and environmental temperature on response time and sensitivity was analyzed. The reflected optical power at the optical-fiber/Pd interface decreased as the concentration of hydrogen increased, in both air and the insulation oil. The sensor showed 0.75 dB of optical power variation when the concentration of dissolved hydrogen was saturated in the insulation oil.

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References

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