Anomalous Positive Refraction in an Anisotropic Left-Handed Medium
HU Wei, LUO Hai-Lu, CAO Jing-Xiao
Laboratory of Light Transmission Optics, South China Normal University, Guangzhou 510631
Anomalous Positive Refraction in an Anisotropic Left-Handed Medium
HU Wei;LUO Hai-Lu;CAO Jing-Xiao
Laboratory of Light Transmission Optics, South China Normal University, Guangzhou 510631
关键词 ：
78.20.Ci ,
42.25.Gy ,
41.20.Jb
Abstract ： We investigate the refraction phenomena of extraordinary light at a planar interface associated with a uniaxial left-handed medium. It is found that the anomalous positive refraction can occur at the interface from an isotropic right-handed medium to a uniaxially anisotropic left-handed medium. When the optical axis of a uniaxial left-handed medium is not normal or parallel to the interface, the refraction of the Poynting vector for the extraordinary waves can be either positive or negative depending on the incident angles, while the refraction of the wave vector is always negative. The physical essential of the anomalous positive refraction results from the anisotropy of uniaxial crystals.
Key words ：
78.20.Ci
42.25.Gy
41.20.Jb
出版日期: 2005-08-01
:
78.20.Ci
(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
42.25.Gy
(Edge and boundary effects; reflection and refraction)
41.20.Jb
(Electromagnetic wave propagation; radiowave propagation)
引用本文:
HU Wei;LUO Hai-Lu;CAO Jing-Xiao. Anomalous Positive Refraction in an Anisotropic Left-Handed Medium[J]. 中国物理快报, 2005, 22(8): 2069-2072.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I8/2069
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2005, Vol. 22 
