Acta Photonica Sinica, Volume. 49, Issue 9, 0906003(2020)

Optical Fiber Fabry-Perot Humidity Sensor by Graphene Quantum Dots

Ning WANG, Wen-hao TIAN, Hao-sheng ZHANG, Xiao-dan YU, Xiao-lei YIN, and Yong-gang DU
Author Affiliations
  • College of Science, China University of Petroleum(Huadong), Qingdao, Shandong 266580, China
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    Figures & Tables(8)
    Optical fiber Fabry-Perot cavity sensor structure
    Relative humidity measurement experiment system
    The response spectrum with different relative humidity
    Peak wavelength shift with different relative humidity
    Temperature response experiments results
    The spectrum dynamic response at 43%RH
    Response time and recovery time at 43%RH
    • Table 1. Comparison of other fiber optic humidity sensors

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      Table 1. Comparison of other fiber optic humidity sensors

      ReferenceTypeHumidity sensitive materialRH/%SensitivityResponse & recovery time/s
      [16]Biconically tapered optical fiberAgarose gel20~78.30.053 7 nm/%RH5, 55
      [17]Microstructured polymer fiber bragg gratingPolycarbonate20~900.007 31 nm/%RH10.5, 25
      [18]Long-period gratingTitanium dioxide0~1010~201.027 nm/%RH1.453 nm/%RH19, 27.1
      [19]Side-polished twin-core fiberGraphene-oxide40~7560~62.12.72 nm/%RH3.76 dB/%RH3.6, 6.4
      [20]wheel side-polishing and evaporationgraphene-oxide32~8585~97.60.145 nm/%RH0.915 nm/%RH2.73, 7.27
      [3]F-P interferometerPVA-GQDs11.3~83.40.117 25 nm/%RH4.3, 11.5
      Our workF-P interferometerGQDs11~840.565 5 nm/%RH6.5, 9.0
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    Ning WANG, Wen-hao TIAN, Hao-sheng ZHANG, Xiao-dan YU, Xiao-lei YIN, Yong-gang DU. Optical Fiber Fabry-Perot Humidity Sensor by Graphene Quantum Dots[J]. Acta Photonica Sinica, 2020, 49(9): 0906003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: May. 18, 2020

    Accepted: Jul. 20, 2020

    Published Online: Dec. 26, 2020

    The Author Email:

    DOI:10.3788/gzxb20204909.0906003

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