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Laser & Optoelectronics Progress, Volume. 55, Issue 3, 030603(2018)

Fast Measurement of Optical Fiber Dispersion Method Based on Optical Switch and Laser Beat Frequency

Xu Wang, Xiaokang Li*, and Longfei Chen
Author Affiliations
  • College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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    Figures&Tables (5)
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    References (16)
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    Figures & Tables(5)
    Schematic of optical fiber dispersion measurement system based on optical switch and laser beat frequency

    Fig. 1. Schematic of optical fiber dispersion measurement system based on optical switch and laser beat frequency

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    Spectrum of wavelengthshift from 1541 nm to 1555 nm

    Fig. 2. Spectrum of wavelengthshift from 1541 nm to 1555 nm

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    Group delay as a function of wavelength

    Fig. 3. Group delay as a function of wavelength

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    • Table 1. Experimental data without the fiber under test

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      Table 1. Experimental data without the fiber under test

      Wavelength /nm48f0 /MHzτλ /ps
      1541266.001250180450.280
      1543266.385000180190.326
      1545267.862500179196.416
      1547265.673750180672.724
      1549266.957500179803.901
      1551266.593358180049.497
      1553268.023358179088.869
      1555271.721250176651.624

    • Table 2. Experimental data with the fiber under test

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      Table 2. Experimental data with the fiber under test

      Wavelength /nm1000f0 /Hzτλ+Δτλ /ps
      1541195.1187505125084.083
      1543195.1375005124591.634
      1545195.1875005123278.898
      1547195.1412505124493.156
      1549195.1837505123377.330
      1551195.1837505123377.330
      1553195.2312505122130.806
      1555195.3325005119475.766
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    Xu Wang, Xiaokang Li, Longfei Chen. Fast Measurement of Optical Fiber Dispersion Method Based on Optical Switch and Laser Beat Frequency[J]. Laser & Optoelectronics Progress, 2018, 55(3): 030603

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Oct. 18, 2017

    Accepted: --

    Published Online: Sep. 10, 2018

    The Author Email: Li Xiaokang ( lixiaokangllz@163.com)

    DOI:10.3788/LOP55.030603

    Topics

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