지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 652 - 659 (8page)
이용수
초록· 키워드
오류제보하기
The theoretical analysis and optimization of extrinsic Fabry-Perot interferometer (EFPI) optical-fiber humidity sensors are deeply investigated. For a typical dual-cavity structure composed of an optical fiber and a humidity-sensitive membrane (HSM), the changes in refractive index (RI) and initial length are discussed for polymer materials and porous oxide materials when relative humidity (RH) increases. The typical interference spectrum is simulated at different RH using MATLAB. The spectral change caused by changing HSM RI and initial length are simulated simutineously, showing different influences on humidity response. To deeply investigate the influence on RH sensitivity, the typical response sensitivity curves for different HSM lengths and air-cavity lengths are simulated. The results show that the HSM is the vital factor. Short HSM length can improve the sensitivity, but for HSM RI and length the influences on sensitivity are opposite, because of the opposite spectral-shift trend. Deep discussion and an optimization method are provided to solve this problem. According to analysis, an opaque HSM is helpful to improve sensitivity. Furthermore, if using an opaque HSM, a short air cavity and long HSM length can improve the sensor’s sensitivity These results provide deep understanding and some ideas for designing and optimizing highly sensitive EFPI fiber humidity sensors.
목차
Ⅰ. INTRODUCTION
Ⅱ. EFPI SENSING STRUCTURES AND PRINCIPLE
Ⅲ. SIMULATION RESULTS AND DISSCUSSION
Ⅳ. STRUCTURE OPTIMIZATION AND ANALYSIS
Ⅴ. CONCLUSION
REFERENCES
참고문헌 (32)
참고문헌 신청
S. A. Kolpakov / 2014 / Toward a new generation of photonic humidity sensors / Sensors 14:3986~4013
F. U. Hernandez / 2016 / Characterization and use of a fiber optic sensor based on PAH/SiO2 film for humidity sensing in ventilator care equipment / IEEE Trans. Biomed. Eng 63:1985~1992
김혜진 / 2020 / Fiber-optic humidity sensor system for the monitoring and detection of coolant leakage in nuclear power plants / Nuclear Engineering and Technology 52(8):1689~1696
G. Berruti / 2013 / Radiation hard humidity sensors for high energy physics applications using polyimide-coated fiber Bragg gratings sensors / Sens. Actuators B Chem 177:94~102
Y. Zhao / 2019 / Relative humidity sensor based on hollow core fiber filled with GQDs-PVA / Sens. Actuators B Chem 284:96~102
F. U. Hernandez / 2016 / Characterization and use of a fiber optic sensor based on PAH/SiO2 film for humidity sensing in ventilator care equipment / IEEE Trans. Biomed. Eng 63:1985~1992
김혜진 / 2020 / Fiber-optic humidity sensor system for the monitoring and detection of coolant leakage in nuclear power plants / Nuclear Engineering and Technology 52(8):1689~1696
G. Berruti / 2013 / Radiation hard humidity sensors for high energy physics applications using polyimide-coated fiber Bragg gratings sensors / Sens. Actuators B Chem 177:94~102
Y. Zhao / 2019 / Relative humidity sensor based on hollow core fiber filled with GQDs-PVA / Sens. Actuators B Chem 284:96~102
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