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Photonic Sensors, Volume. 6, Issue 3, 193(2016)

Characterization of Miniature Fiber-Optic Fabry-Perot Interferometric Sensors Based on Hollow Silica Tube

Pinggang JIA1,2, Guocheng FANG2, and Daihua WANG3、*
Author Affiliations
  • 1Postdoctoral Research Station of Optical Engineering, Chongqing University, Chongqing, 400030, China
  • 2Key Laboratory of Instrumentation Science & Dynamic Measurement of the Ministry of Education of China, North University of China, Taiyuan, 030051, China
  • 3Key Laboratory of Optoelectronic Technology and Systems of the Ministry of Education of China, Chongqing University, Chongqing, 400030, China
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    A miniature fiber-optic Fabry-Perot interferometer (MOFPI) fabricated by splicing a hollow silica tube (HST) with inner diameter of 4 μm to the end of a single-mode fiber is investigated and experimentally demonstrated. The theoretical relationship between the free spectrum range and the length of HST is verified by fabricating several MOFPIs with different lengths. We characterize the MOFPIs for temperature, liquid refractive index, and strain. Experimental results show that the sensitivities of the temperature, liquid refractive index, and strain are 16.42 pm/℃, -118.56 dB/RIU, and 1.21 pm/με, respectively.

    Keywords
    characterizationFabry-Perot interferometerFiber-optichollow silica tube
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    Pinggang JIA, Guocheng FANG, Daihua WANG. Characterization of Miniature Fiber-Optic Fabry-Perot Interferometric Sensors Based on Hollow Silica Tube[J]. Photonic Sensors, 2016, 6(3): 193

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    Paper Information

    Category: Regular

    Received: Apr. 20, 2016

    Accepted: Jun. 8, 2016

    Published Online: Oct. 20, 2016

    The Author Email: WANG Daihua (dhwang@cqu.edu.cn)

    DOI:10.1007/s13320-016-0327-7

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology