石墨烯
材料科学
光纤传感器
光纤
氧化物
光电子学
纤维
光子学
温度系数
灵敏度(控制系统)
光学
纳米技术
复合材料
电子工程
物理
冶金
工程类
作者
Jun Zhang,Guozhen Liao,Shaoshen Jin,Dong Cao,Qingsong Wei,Huihui Lu,Jianhui Yu,Xiang Cai,Shaozao Tan,Yi Xiao,Jieyuan Tang,Yunhan Luo,Zhe Chen
标识
DOI:10.1088/1612-2011/11/3/035901
摘要
We demonstrate a novel all-fiber-optic temperature sensor based on a reduced graphene oxide (rGO) film coated onto a side-polished fiber (SPF). Significantly enhanced interaction between the propagating light and the rGO film can be obtained via strong evanescent field of the SPF. The strong light–graphene interaction results in temperature sensing with a maximum optical power variation of 11.3 dB in the SPF experimentally. The novel temperature fiber sensor has a linear correlation coefficient of 99.4%, a sensitivity of 0.134 dB °C−1, a precision of better than 0.03 °C, and a response speed of better than 0.0228 °C s−1. Such an rGO-based all-fiber-optic temperature sensor is easy to fabricate, is compatible with fiber-optic systems, and possesses high potentiality in photonics applications such as all-fiber-optic temperature sensing networks.
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