基于石墨烯涂覆光子晶体光纤的折射率传感器
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摘要
碳基材料聚合物拥有增强光纤传感器传感特性的潜力。将碳基材料与光子晶体光纤(PCF)相结合,先将剥除涂覆层的PCF两端与同样剥去涂覆层的单模光纤(SMF)熔接在一起,然后在结构表面涂覆石墨烯层,形成一个基于PCF的马赫-曾德尔干涉仪(MZI)。实验证明,在基于PCF的干涉仪传感器表面涂覆石墨烯材料能够提升传感器的折射率灵敏度。
Carbon-based material polymers have the potential to enhance the sensing characteristics of fiber-optic sensors. Combining the carbon-based material with the photonic crystal fiber(PCF), the PCF stripped with the coating layer is first fused with the single-mode optical fiber stripped with the coating layer, and then the graphene layer is coated on the surface of the structure to form Mach-Zehnder interferometer based on PCF. The experiment proves that the refractive index sensitivity of the sensor can be improved by coating the graphene material on the surface of the interferometer sensor based on the photonic crystal fiber.
Carbon-based material polymers have the potential to enhance the sensing characteristics of fiber-optic sensors. Combining the carbon-based material with the photonic crystal fiber(PCF), the PCF stripped with the coating layer is first fused with the single-mode optical fiber stripped with the coating layer, and then the graphene layer is coated on the surface of the structure to form Mach-Zehnder interferometer based on PCF. The experiment proves that the refractive index sensitivity of the sensor can be improved by coating the graphene material on the surface of the interferometer sensor based on the photonic crystal fiber.
引文
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[14]YANG C,BI H,WAN D,et al.Direct PECVD growth of vertically erected graphene walls on dielectric substrates as excellent multifunctional electrodes[J].J.mater.chem.a,2012,1(3):770-775.
[2]VILLATORO R Jha,BADENES G,PRUNERI V.Refractometry based on a photonic crystal fiber interferometer[J].Opt.Lett.,2009,34(5):617-619.
[3]TAN Y C,TOU Z Q,MAMIDALA V,et al.Continuous refractive index sensing based on carbon-nanotube-deposited photonic crystal fibers[J].Sens.Actuators B Chem.,2014(202):1097-1102.
[4]秦静,郑婵.石墨烯-Au纳米复合体系的构筑及其光限幅效应[J].红外与激光工程,2015,44(9):2757-2760.
[5]MEYYAPPAN M,DELZEIT L,CASSELL A,et al.Carbon nanotube growth by PECVD:a review[J].Plasma Sources Science&Technology,2003,12(2):205-215.
[6]刘俊杰.光子晶体光纤与普通单模光纤的熔接[D].天津:天津大学,2010.
[7]杨远洪,刘硕,陆林,等.基于保偏光子晶体光纤Sagnac干涉仪的温度不敏感压力传感技术[J].红外与激光工程,2016,45(8):7-12.
[8]范林勇,赵瑞峰,江微微,等.用于应力传感的双芯光纤马赫-曾德干涉仪[J].光电子·激光,2010,21(10):1488-1491
[9]范林勇,赵瑞峰,江微微,等.双芯光纤马赫-曾德尔干涉仪的温度特性[J].光学精密工程,2011,19(1):1-8.
[10]郭铁英,娄淑琴,李宏雷,等.光子晶体光纤的低损耗电弧熔接方案[J].光学学报,2009,29(2):511-516.
[11]SKULASON H S,GASKELL P E,SZKOPEK T.Optical reflection and transmission properties of exfoliated graphite from a graphene monolayer to serveral hundred graphene layers[J].Nanotechnology 2010,21(29):295709-1-295709-1.
[12]HEAVENS O S.Thin-film Optical Filters[J].Optica Acta International Journal of Optics,2010,33(11):1336-1336.
[13]兆雪,邵敏,乔学光,等.光纤锥在线型马赫-曾德干涉仪的折射率传感特性[J].光子学报,2016(2):94-98.
[14]YANG C,BI H,WAN D,et al.Direct PECVD growth of vertically erected graphene walls on dielectric substrates as excellent multifunctional electrodes[J].J.mater.chem.a,2012,1(3):770-775.