• Journal of Applied Optics
  • Vol. 43, Issue 1, 160 (2022)
Qiang LIU1, Binwen LI1,*, Yudan SUN1,2, Chao LIU1..., Wei LIU1, Tianshu FU1, Jin ZHAO1 and Shengnan TAI1|Show fewer author(s)
Author Affiliations
  • 1School of Physics and Electronic Engineering, Northeast Petroleum University, Daqing 163318, China
  • 2School of Mechatronics Engineering, Daqing Normal University, Daqing 163712, China
  • show less
    DOI: 10.5768/JAO202243.0108002 Cite this Article
    Qiang LIU, Binwen LI, Yudan SUN, Chao LIU, Wei LIU, Tianshu FU, Jin ZHAO, Shengnan TAI. FBG demodulation method based on long-period fiber gratings[J]. Journal of Applied Optics, 2022, 43(1): 160 Copy Citation Text show less
    Schematic diagram of demodulation based on edge filter
    Fig. 1. Schematic diagram of demodulation based on edge filter
    Fabrication of LPFG
    Fig. 2. Fabrication of LPFG
    Influences of different laser output duty cycles and numbers of period on transmission spectrum of LPFG
    Fig. 3. Influences of different laser output duty cycles and numbers of period on transmission spectrum of LPFG
    Transmission spectrum of LPFG for different numbers of period with weight removed
    Fig. 4. Transmission spectrum of LPFG for different numbers of period with weight removed
    Schematic diagram of FBG demodulation device based on LPFG
    Fig. 5. Schematic diagram of FBG demodulation device based on LPFG
    Transmission spectrum of ASE broadband light adjusting by LPFG and FBG reflection spectrum
    Fig. 6. Transmission spectrum of ASE broadband light adjusting by LPFG and FBG reflection spectrum
    LPFG-FBG demodulation device diagram
    Fig. 7. LPFG-FBG demodulation device diagram
    Temperature characteristic test of LPFG-FBG demodulation method
    Fig. 8. Temperature characteristic test of LPFG-FBG demodulation method
    Strain characteristic test of LPFG-FBG demodulation method
    Fig. 9. Strain characteristic test of LPFG-FBG demodulation method
    Dynamic characteristic test of LPFG-FBG demodulation method
    Fig. 10. Dynamic characteristic test of LPFG-FBG demodulation method
    Qiang LIU, Binwen LI, Yudan SUN, Chao LIU, Wei LIU, Tianshu FU, Jin ZHAO, Shengnan TAI. FBG demodulation method based on long-period fiber gratings[J]. Journal of Applied Optics, 2022, 43(1): 160
    Download Citation