Transmission characteristics of electromagnetic wave at the interface of positive and negative refraction index media 电磁波在正负折射率介质界面上的传输特性
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Spr is a physical phenomenon of total intemal reflection ( tir ) of light at the interface between two media when a light beam propagates across such an interface from higher refractive index media to the lower . spr is sensitive to the refractive index of the surface medium . the physical characteristic of spr has been applied to chemo / biosensing in the chemistry and biology Spr原本是一种物理光学现象，由沿着金属和介质界面传播的电磁波所激发而形成的，它对于附着在金属表面的介质的折射率非常敏感，化学与生物学上利用spr的这个物理特性来进行传感分析。
