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Focusing properties of the uniaxially anisotropic metamaterial slab lens

Liu Hong-Yao Lü Qiang Luo Hai-Lu Wen Shuang-Chun

Focusing properties of the uniaxially anisotropic metamaterial slab lens

Liu Hong-Yao, Lü Qiang, Luo Hai-Lu, Wen Shuang-Chun
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  • Abstract views:  3731
  • PDF Downloads:  1163
  • Cited By: 0
Publishing process
  • Received Date:  06 April 2009
  • Accepted Date:  23 May 2009
  • Published Online:  15 January 2010

Focusing properties of the uniaxially anisotropic metamaterial slab lens

  • 1. 湖南大学计算机与通信学院微纳光电器件及应用教育部重点实验室,长沙 410082

Abstract: We studied the focusing properties of an anisotropic metamaterial slab lens by means of the angular spectrum representation of the vectorial electromagnetic field. The analytical expressions for vectorial fields in all the propagation regions are obtained,and the quantitative relationship between the focusing characteristics of the vectorial electromagnetic field and the anisotropic parameters of the anisotropic metamaterial slab lens is disclosed. The polarization state of the focusing beam is found to be changed due to the effect of anisotropy. As an application of the vectorial theory,we have analyzed the focusing property of an anisotropic metamaterial slab for which the permeability along longitudinal axis is -1. It is demonstrated that this slab lens can redirect a beam initially polarized along a transverse axis to a partial focus and give a clear polarization rotation of the beam.

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