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Surface plasmon resonance sensor using an optical fiber with an inverted graded-index profile

机译:使用具有反向渐变折射率轮廓的光纤的表面等离子体激元共振传感器

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摘要

A new optical fiber sensor based on surface plasmon resonance is described, It uses an optical fiber with an inverted graded-index profile. A theoretical analysis of the optical propagation when a point light source was used and a computation of the optical power transmitted by the fiber were performed. Experiments were carried out to measure changes of the transmitted power caused by refractive-index variations of the surrounding dielectric medium. Both the simulation and experiments have shown that the sensor exhibits high sensitivity for changes of the surrounding medium in a refractive-index range from 1.33 to 1.39. (C) 2002 Optical Society of America. [References: 12]
机译:描述了一种基于表面等离子体激元共振的新型光纤传感器,它使用了具有渐变折射率分布的光纤。对使用点光源时的光传播进行了理论分析,并计算了光纤传输的光功率。进行实验以测量由周围介电介质的折射率变化引起的传输功率的变化。仿真和实验均表明,该传感器在1.33至1.39的折射率范围内对周围介质的变化表现出很高的灵敏度。 (C)2002年美国眼镜学会。 [参考:12]

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