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中国物理学会期刊

含负折射率介质的多层结构中倏逝波传播及隧道效应的分析

CSTR: 32037.14.aps.52.2386

Analysis for the propagation of evanescent waves and the photo tunneling effect in a multi-layered structure containing materials with negative refractive index

CSTR: 32037.14.aps.52.2386
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  • 研究了倏逝波在含负折射率介质的多层平板结构中的传播特性,解析地分析了倏逝波在不同结构参数下的放大或衰减规律及其原因以及能流的分布,并着重讨论了负折射率介质的损耗对隧道效应的影响,最后通过模拟高斯光束在该结构中的传播和能量储存,形象地给出了负折射率介质的损耗对倏逝波的影响和对光子隧道效应的减弱.

     

    The propagation properties of evanescent waves in a multi-layered structure containing materials with negative refractive index are analyzed. The decay or magnification of the amplitude of evanescent waves in different situations is explained analytically in detail. In particular, the influence of the dissipation of the negative refractive index medium on the photon tunneling effect is discussed. The propagation and energy storage of evanescent waves are shown clearly by using the incidence of a Gauss beam.

     

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