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    • 4. 发明授权
    • Left-handed materials and structures based on strong dielectric anisotropy
    • 基于强介电各向异性的左旋材料和结构
    • US07421178B2
    • 2008-09-02
    • US11434364
    • 2006-05-12
    • Viktor A. PodolskiyEvgueni E. Narimanov
    • Viktor A. PodolskiyEvgueni E. Narimanov
    • G02B6/10
    • G02B6/122B82Y20/00G02B1/007G02B6/107G02B6/1225G02B6/1226
    • Disclosed herein are exemplary embodiments of materials and structures that have a negative refractive index. For example, one exemplary embodiment is a waveguide structure comprising a first waveguide border element having a first substantially planar surface, and a second waveguide border element spaced apart from the first waveguide border element and having a second substantially planar surface. This exemplary embodiment further comprises a core material positioned between the first substantially planar surface and the second substantially planar surface. The core material has a positive in-plane dielectric constant and a negative perpendicular-to-plane dielectric constant. Furthermore, the first waveguide border element, the second waveguide border element, and the core material form a waveguide exhibiting a negative index of refraction for electromagnetic radiation in a frequency range.
    • 本文公开了具有负折射率的材料和结构的示例性实施例。 例如,一个示例性实施例是波导结构,其包括具有第一基本上平坦的表面的第一波导边界元件和与第一波导边界元件间隔开并具有第二基本平坦表面的第二波导边界元件。 该示例性实施例还包括位于第一基本上平坦的表面和第二基本平坦的表面之间的芯材料。 芯材料具有正的平面介电常数和负的垂直于平面的介电常数。 此外,第一波导边界元件,第二波导边界元件和芯材料形成在频率范围内呈现电磁辐射的负折射率的波导。