Acta Photonica Sinica, Volume. 51, Issue 9, 0906007(2022)
Design and Analysis of D-shaped Surface Plasmon Resonance Fiber Biosensor for Liquid Analytes
Figures & Tables(8)
Fig. 1. Schematic illustration of the proposed D-shaped PCF-sensor
Fig. 2. Real part of effective refractive index （left axis）and confinement loss （right axis）of core mode and plasmonic mode
Fig. 3. The distribution of the energy of the core mode and the plasmonic mode at different wavelength
Fig. 4. The confinement loss affected by changing the radii of the air holes and the open-ring
Fig. 5. The confinement loss of the proposed sensor varies with Λ and tg
Fig. 6. The increase of the confinement loss and amplitude sensitivity varies with wavelength for analyte
Fig. 7. The resonance wavelength varies with analyte RI from 1.18 to 1.30
Table 1. Comparison of the proposed sensor with previous designs
View tableView in ArticleTable 1. Comparison of the proposed sensor with previous designs
Structure RI range Max sensitivity /（nm·RIU-1） Max resolution Year Ref. D⁃shaped 1.23~1.29 5 500 7.69×10-6 2017 ［ 19 ］Dual⁃shaped 1.27~1.32 13 500 7.41×10-6 2018 ［ 18 ］D⁃shaped 1.20~1.29 11 055 9.05×10-6 2019 ［ 20 ］D⁃shaped 1.19~1.29 10 700 ____ 2019 ［ 17 ］Microchannel 1.20~1.33 12 000 8.3×10-6 2020 ［ 16 ］D⁃shaped 1.18~1.30 38 800 2.37×10-6 2022 This work
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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
Paper Information
Category: Fiber Optics and Optical Communications
Received: Feb. 8, 2022
Accepted: May. 26, 2022
Published Online: Oct. 26, 2022
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