Yarien Moreno, Qingguo Song, Zhikun Xing, Yuezhen Sun, Zhijun Yan. Hybrid tilted fiber gratings-based surface plasmon resonance sensor and its application for hemoglobin detection[J]. Chinese Optics Letters, 2020, 18(10): 100601
- Chinese Optics Letters
- Vol. 18, Issue 10, 100601 (2020)
Fig. 1. Configuration of the hybrid tilted fiber gratings-based SPR RI sensor.
Fig. 2. (a) Transmission spectrum of the TFBG with two orthogonal polarization cladding modes; (b) transmission spectrum of hybrid tilted fiber gratings with only the P-polarization cladding mode.
Fig. 3. Transmission spectrum of hybrid grating with different incident polarization states.
Fig. 4. Experiment setup of the sensing system.
Fig. 5. (a) SRI sensing test of the hybrid tilted fiber gratings-based SPR sensor in different RI; (b) sensitivity of the hybrid tilted fiber gratings-based SPR sensor.
Fig. 6. SRI sensing comparison between (a) the hybrid tilted fiber gratings-based SPR RI sensor and (b) bare TFBG for different Hb concentrations.
Fig. 7. Hb concentration sensitivity of the proposed hybrid tilted fiber gratings-based SPR sensor and bare TFBG-based sensor.
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