单负单轴平板与双正单轴平板的电磁隧穿
Electromagnetic tunneling of obliquely-incident waves through a single-negative slab paired with a double-positive uniaxial slab
摘要:
我们表明,在适当的双入射和偏振条件下,一个均匀的,各向同性的单负板的固有的不透明性可以完全补偿(在理想的无损情况下)由一个均匀的,各向异性(单轴)的双正板,使完整的隧道(总传输和零相位延迟)发生。我们提出了一个分析和数值研究,旨在推导出基本的设计规则,阐明了基本的物理机制,并探讨了所涉及的各种参数的作用。
英文摘要:
We show that, under appropriate oblique-incidence and polarization conditions, the inherent opaqueness of a homogeneous, isotropic single-negative slab may be perfectly compensated (in the ideal lossless case) by a homogenous, anisotropic (uniaxial) double-positive slab, so that complete tunneling (with total transmission and zero phase delay) occurs. We present an analytical and numerical study aimed at deriving the basic design rules, elucidating the underlying physical mechanisms, and exploring the role of the various involved parameters.
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