中国物理B ›› 2021, Vol. 30 ›› Issue (11): 114210-114210.doi: 10.1088/1674-1056/ac012e

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Ultra-longer fiber cantilever taper for simultaneous measurement of temperature and relative humidity

Min Li(李敏)1, Jiwen Yin(尹辑文)1, Weili Yan(闫伟丽)2, Aimin Cong(丛爱民)1,†, Hongjuan Li(李红娟)1, and Wenqiang Ma(马文强)1   

  1. 1 Chifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, China;
    2 Inner Mongolia Traffic Vocational and Technical College, Chifeng 024000, China
  • 收稿日期:2021-02-16 修回日期:2021-05-12 接受日期:2021-05-14 出版日期:2021-10-13 发布日期:2021-10-27
  • 通讯作者: Aimin Cong E-mail:c15026710904@163.com
  • 基金资助:
    Project supported by the Scientific Research Project of Institutions of Higher Learning in Inner Mongolia Autonomous Region, China (Grant No. NJZY19214), the Natural Science Foundation of Inner Mongolia Autonomous Region, China (Grant No. 2018MS05064), the Education and Teaching Research Project of Chifeng College (Grant No. JYXMY202025), the Applied Model Curriculum Construction Project of Chifeng College (Grant No. SFK20200904), and the Construction Project of the Key Laboratory of Chifeng College (Grant No. CFXYZD202007).

Ultra-longer fiber cantilever taper for simultaneous measurement of temperature and relative humidity

Min Li(李敏)1, Jiwen Yin(尹辑文)1, Weili Yan(闫伟丽)2, Aimin Cong(丛爱民)1,†, Hongjuan Li(李红娟)1, and Wenqiang Ma(马文强)1   

  1. 1 Chifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, China;
    2 Inner Mongolia Traffic Vocational and Technical College, Chifeng 024000, China
  • Received:2021-02-16 Revised:2021-05-12 Accepted:2021-05-14 Online:2021-10-13 Published:2021-10-27
  • Contact: Aimin Cong E-mail:c15026710904@163.com
  • Supported by:
    Project supported by the Scientific Research Project of Institutions of Higher Learning in Inner Mongolia Autonomous Region, China (Grant No. NJZY19214), the Natural Science Foundation of Inner Mongolia Autonomous Region, China (Grant No. 2018MS05064), the Education and Teaching Research Project of Chifeng College (Grant No. JYXMY202025), the Applied Model Curriculum Construction Project of Chifeng College (Grant No. SFK20200904), and the Construction Project of the Key Laboratory of Chifeng College (Grant No. CFXYZD202007).

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摘要： An ultra-longer fiber cantilever taper for simultaneous measurement of the temperature and relative humidity (RH) with high sensitivities was proposed. The structure was fabricated by using the simple and cost-effective method only including fiber cleaving, splicing, and tapering. The length of the cantilever taper is about 1.5 mm. The dip A and dip B were measured simultaneously, owing to the ultra-long length and super-fine size, the temperature sensitivities of the dip A and dip B reached as high as 127.3 pm/℃ and 0 pm/℃ between 25 ℃ and 50 ℃, and the RH sensitivities are -31.2 pm/% RH and -29.2 pm/% RH with a broad RH interval ranging from 20% RH to 70% RH. Besides, the proposed structure showed good linearity in the sensing process and small temperature crosstalk. It will be found in wide applications in environmental monitoring, food processing, and industries.

关键词: sensor, temperature, humidity

Abstract: An ultra-longer fiber cantilever taper for simultaneous measurement of the temperature and relative humidity (RH) with high sensitivities was proposed. The structure was fabricated by using the simple and cost-effective method only including fiber cleaving, splicing, and tapering. The length of the cantilever taper is about 1.5 mm. The dip A and dip B were measured simultaneously, owing to the ultra-long length and super-fine size, the temperature sensitivities of the dip A and dip B reached as high as 127.3 pm/℃ and 0 pm/℃ between 25 ℃ and 50 ℃, and the RH sensitivities are -31.2 pm/% RH and -29.2 pm/% RH with a broad RH interval ranging from 20% RH to 70% RH. Besides, the proposed structure showed good linearity in the sensing process and small temperature crosstalk. It will be found in wide applications in environmental monitoring, food processing, and industries.

Key words: sensor, temperature, humidity

中图分类号:  (Sensors, gyros)

  • 42.81.Pa
92.60.hv (Pressure, density, and temperature) 92.60.jk (Humidity)