Chen Luan Xiong, Huang Xu Guang, Li Jiao Yang, Zhong Ze Bing
Laboratory of Nanophotonic Functional Materials and Devices, School for Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China.
Rev Sci Instrum. 2012 May;83(5):053113. doi: 10.1063/1.4721274.
A fiber sensor for simultaneous measurements of refractive index and temperature based on the integration of a fiber Bragg grating (FBG) with an external Fabry-Perot (F-P) cavity is presented. The fringe contrast of the interference spectrum generated by the F-P cavity is used to determine the external refractive index, while the wavelength shift of the FBG is used to measure temperature. The result showed that the refractive index and temperature sensitivity for the integrated sensor is 8.1 × 10(-6) and 0.01006 nm/°C, respectively.
提出了一种基于光纤布拉格光栅（FBG）与外部法布里-珀罗（F-P）腔集成的用于同时测量折射率和温度的光纤传感器。F-P腔产生的干涉光谱的条纹对比度用于确定外部折射率，而FBG的波长偏移用于测量温度。结果表明，该集成传感器的折射率和温度灵敏度分别为8.1×10^(-6)和0.01006 nm/°C。
