Jing Zhao, Ying Wang, Yiping Wang. Graphene-Oxide-Enhanced Surface Plasmon Resonance Fiber Sensor[J]. Laser & Optoelectronics Progress, 2019, 56(23): 230601
- Laser & Optoelectronics Progress
- Vol. 56, Issue 23, 230601 (2019)
Fig. 1. GO-enhanced SPR sensor based on side-polished fiber. (a) Schematic of process for fabricating; (b) longitudinal section
Fig. 2. Ultraviolet absorption spectral peak of dispersed aqueous GO sol and inset illustrates Tyndall effect
Fig. 3. SEM images of surface morphology of silver-coated SPR fiber sensor after self-assembly of different films. (a) ODT film; (b) GO film
Fig. 4. AFM image of SPR fiber sensor's surface after self-assembly of GO film
Fig. 5. Platform for in-situ monitoring resonance peak in transmission spectrum of SPR fiber sensor and Teflon reaction cell employed for self-assembly of GO film
Fig. 6. Comparison of resonance peaks in transmission spectra of silver-coated SPR fiber sensor after self-assembly of ODT and GO films
Fig. 7. Performance comparison of GO-enhanced SPR optical fiber sensor in different refractive-index liquids. (a) Comparison of normalized resonance peaks in transmission spectra; (b) resonance wavelength and sensitivity as functions of refractive index
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Table 1. Performance comparison between GO-enhanced SPR fiber sensor and silver-coated SPR fiber sensor without GO decoration (1.32-1.34 RIU)
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