• Acta Photonica Sinica
  • Vol. 51, Issue 9, 0906007 (2022)
Qingmin LIU*, Shanglin HOU, and Jingli LEI
Author Affiliations
  • School of Science,Lanzhou University of Technology,Lanzhou 730050,China
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    DOI: 10.3788/gzxb20225109.0906007 Cite this Article
    Qingmin LIU, Shanglin HOU, Jingli LEI. Design and Analysis of D-shaped Surface Plasmon Resonance Fiber Biosensor for Liquid Analytes[J]. Acta Photonica Sinica, 2022, 51(9): 0906007 Copy Citation Text show less
    Schematic illustration of the proposed D-shaped PCF-sensor
    Fig. 1. Schematic illustration of the proposed D-shaped PCF-sensor
    Real part of effective refractive index (left axis)and confinement loss (right axis)of core mode and plasmonic mode
    Fig. 2. Real part of effective refractive index (left axis)and confinement loss (right axis)of core mode and plasmonic mode
    The distribution of the energy of the core mode and the plasmonic mode at different wavelength
    Fig. 3. The distribution of the energy of the core mode and the plasmonic mode at different wavelength
    The confinement loss affected by changing the radii of the air holes and the open-ring
    Fig. 4. The confinement loss affected by changing the radii of the air holes and the open-ring
    The confinement loss of the proposed sensor varies with Λ and tg
    Fig. 5. The confinement loss of the proposed sensor varies with Λ and tg
    The increase of the confinement loss and amplitude sensitivity varies with wavelength for analyteRI from 1.18 to 1.3
    Fig. 6. The increase of the confinement loss and amplitude sensitivity varies with wavelength for analyteRI from 1.18 to 1.3
    The resonance wavelength varies with analyte RI from 1.18 to 1.30
    Fig. 7. The resonance wavelength varies with analyte RI from 1.18 to 1.30
    StructureRI rangeMax sensitivity /(nm·RIU-1Max resolutionYearRef.
    D⁃shaped1.23~1.295 5007.69×10-6201719
    Dual⁃shaped1.27~1.3213 5007.41×10-6201818
    D⁃shaped1.20~1.2911 0559.05×10-6201920
    D⁃shaped1.19~1.2910 700____201917
    Microchannel1.20~1.3312 0008.3×10-6202016
    D⁃shaped1.18~1.3038 8002.37×10-62022This work
    Table 1. Comparison of the proposed sensor with previous designs
    Qingmin LIU, Shanglin HOU, Jingli LEI. Design and Analysis of D-shaped Surface Plasmon Resonance Fiber Biosensor for Liquid Analytes[J]. Acta Photonica Sinica, 2022, 51(9): 0906007
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