• Acta Photonica Sinica
  • Vol. 50, Issue 5, 130 (2021)
Xiaoli WANG1、2, Bo DONG1, Enqing CHEN1、2, and Yang LI1、2
Author Affiliations
  • 1State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences,Xi'an709, China
  • 2University of Chinese Academy of Sciences, Beijing100049, China
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    DOI: 10.3788/gzxb20215005.0506003 Cite this Article
    Xiaoli WANG, Bo DONG, Enqing CHEN, Yang LI. Intensity Demodulation Technology of FBG Time Division Multiplexing Based on Sagnac Ring[J]. Acta Photonica Sinica, 2021, 50(5): 130 Copy Citation Text show less
    The structure of the intensity demodulation system
    Fig. 1. The structure of the intensity demodulation system
    The transmission structure of the FBG
    Fig. 2. The transmission structure of the FBG
    The schematic structure of TDM demodulation system
    Fig. 3. The schematic structure of TDM demodulation system
    The structure of Sagnac filter
    Fig. 4. The structure of Sagnac filter
    The transmission spectrum of Sagnac filter with length of 4 m
    Fig. 5. The transmission spectrum of Sagnac filter with length of 4 m
    The real-time denoising results of three different wavelet functions
    Fig. 6. The real-time denoising results of three different wavelet functions
    The filtering results of different wavelet levels
    Fig. 7. The filtering results of different wavelet levels
    The filtering results of different threshold methods
    Fig. 8. The filtering results of different threshold methods
    The real-time demodulation result of the DAQ
    Fig. 9. The real-time demodulation result of the DAQ
    Xiaoli WANG, Bo DONG, Enqing CHEN, Yang LI. Intensity Demodulation Technology of FBG Time Division Multiplexing Based on Sagnac Ring[J]. Acta Photonica Sinica, 2021, 50(5): 130
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