【摘要】 基于光栅的表面等离子体共振(SPR)传感技术是近年来光纤传感领域的研究热点。论述了SPR传感器的工作原理、调制方式和光栅耦合式SPR传感器的理论。介绍了该领域的研究成果,包括利用光纤布拉格光栅(FBG)的空芯光纤SPR传感器、利用FBG或长周期光栅(LPG)的普通光纤SPR传感器、利用平面波导光栅的SPR传感器、利用金属表面光栅的SPR传感器及多通道光栅SPR传感器。总结了部分结构优化之后的典型参数,给出了基于光栅的SPR传感器的研究现状和发展方向。更多还原

【Abstract】 The surface plasmon resonance(SPR) sensing technology based on gratings is the research focus in the optical fiber sensing field in recent years.The general principle and modulation methods of SPR sensors as well as the theory on grating-coupled SPR sensors are discussed.Moreover,the research achievements are comprehensively introduced,including SPR refractive index hollow core fiber sensors assisted by a fiber Bragg grating(FBG),standard optical fiber SPR sensors employing FBG or long period grating(LPG),SPR sensors based on planar integrated waveguide gratings and corrugated metal gratings,and multi-channel grating-based SPR sensors.The typical structural parameters after optimization are also summarized.Besides,the current research status and expectations of grating-based SPR sensors are given.更多还原