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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 9 — Apr. 27, 2009
  • pp: 7068–7073

Rainbow-like radiation from an omni-directional source placed in a uniaxial metamaterial slab

Tao Jiang, Yu Luo, Zhiyu Wang, Liang Peng, Jiangtao Huangfu, Wanzhao Cui, Wei Ma, Hongsheng Chen, and Lixin Ran  »View Author Affiliations


Optics Express, Vol. 17, Issue 9, pp. 7068-7073 (2009)
http://dx.doi.org/10.1364/OE.17.007068


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Abstract

In this paper, the radiation of an omni-directional line source placed in a uniaxial metamaterial slab is experimentally presented. The anisotropic slab made of metallic symmetrical rings with dispersive permeability is investigated both theoretically and experimentally. For low value of the permeability, a directive radiation at the broadside of the slab can be obtained. Due to the excitation of the leaky wave mode supported by this structure, the emitted electromagnetic wave transmits at a greater angle from the normal of the slab as the value of permeability increases along with the frequency. Thus a rainbow-like radiation will be formed since waves of different frequencies will deflect into different directions.

© 2009 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(350.5610) Other areas of optics : Radiation
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: January 30, 2009
Revised Manuscript: April 10, 2009
Manuscript Accepted: April 11, 2009
Published: April 14, 2009

Citation
Tao Jiang, Yu Luo, Zhiyu Wang, Liang Peng, Jiangtao Huangfu, Wanzhao Cui, Wei Ma, Hongsheng Chen, and Lixin Ran, "Rainbow-like radiation from an omni-directional source placed in a uniaxial metamaterial slab," Opt. Express 17, 7068-7073 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-9-7068


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