激光与光电子学进展, 2019, 56 (23): 230601, 网络出版: 2019-11-27
氧化石墨烯增强型表面等离子体共振光纤传感器 
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Graphene-Oxide-Enhanced Surface Plasmon Resonance Fiber Sensor
图 & 表
图 1. GO增强型SPR侧边抛磨光纤传感器。(a)制作流程;(b)纵向截面图
Fig. 1. GO-enhanced SPR sensor based on side-polished fiber. (a) Schematic of process for fabricating; (b) longitudinal section
图 2. GO溶胶的紫外吸收峰及丁达尔现象
Fig. 2. Ultraviolet absorption spectral peak of dispersed aqueous GO sol and inset illustrates Tyndall effect
图 3. 银-光纤SPR传感器表面自组装不同膜层后的表面形貌SEM图。(a) ODT膜层;(b) GO膜层
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
图 4. 光纤SPR传感器表面自组装GO膜层后的AFM形貌图
Fig. 4. AFM image of SPR fiber sensor's surface after self-assembly of GO film
图 5. 光纤SPR传感器的共振峰检测平台及GO自组装实物图
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
图 6. 银-光纤SPR传感器ODT、GO自组装后SPR共振峰对比
Fig. 6. Comparison of resonance peaks in transmission spectra of silver-coated SPR fiber sensor after self-assembly of ODT and GO films
图 7. GO增强型SPR光纤传感器在不同折射率液中的性质对比。(a)归一化共振峰对比;(b)共振波长、灵敏度与折射率的关系曲线
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
表 1GO增强型SPR光纤传感器与GO修饰前的银-SPR光纤传感器的性能对比(1.32~1.34 RIU)
Table1. 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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赵静, 王英, 王义平. 氧化石墨烯增强型表面等离子体共振光纤传感器[J]. 激光与光电子学进展, 2019, 56(23): 230601. Jing Zhao, Ying Wang, Yiping Wang. Graphene-Oxide-Enhanced Surface Plasmon Resonance Fiber Sensor[J]. Laser & Optoelectronics Progress, 2019, 56(23): 230601.
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