Double-Side Polished Fiber SPR Sensor for Simultaneous Temperature and Refractive Index Measurement

作者：Weng, Sijun^*; Pei, Li; Liu, Chao; Wang, Jianshuai; Li, Jing; Ning, Tigang

来源：IEEE Photonics Technology Letters, 2016, 28(18): 1916-1919.

DOI：10.1109/LPT.2016.2575926

• Double-side polished fiber
• surface plasmon resonance
• temperature measurement
• RI measurement

A novel fiber sensor based on surface plasmon resonance (SPR) is designed to realize the simultaneous measurement of temperature and refractive index (RI). In order to obtain the SPR effect both in x- and y-polarized directions, the fiber is double-side polished and covered with gold and silver on horizontal and vertical polished surfaces, respectively. The numerical simulation results demonstrate that the temperature sensitivities of x-and y-polarized loss spectrums are 0.1371 and 0.04736 nm/degrees C, respectively. The RI sensitivities of x-and y-polarized loss spectrums are 561.4286 and 457.1429 nm/RIU, respectively. Therefore, the variation of temperature and RI can be measured simultaneously by monitoring the resonant wavelength shifts of x-and y-polarized loss spectrums.

• 出版日期2016-9-15
• 单位北京交通大学