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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 12 — Jun. 4, 2012
  • pp: 12752–12760

Backward wave radiation from negative permittivity waveguides and its use for THz subwavelength imaging

Alexey A. Basharin, Maria Kafesaki, Eleftherios N. Economou, and Costas M. Soukoulis  »View Author Affiliations


Optics Express, Vol. 20, Issue 12, pp. 12752-12760 (2012)
http://dx.doi.org/10.1364/OE.20.012752


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Abstract

In this paper we demonstrate the possibility of backward radiation from a negative permittivity planar (slab) waveguide. Furthermore, we show that backward radiation can be used to achieve sub-wavelength imaging of a point source placed close to such a slab or to a periodic layered system of slabs. Finally, we demonstrate backward-radiation-based imaging in the case of realistic materials operating in the THz regime, such as polaritonic alkali-halide systems.

© 2012 OSA

OCIS Codes
(230.7390) Optical devices : Waveguides, planar
(260.1180) Physical optics : Crystal optics
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: January 20, 2012
Revised Manuscript: March 14, 2012
Manuscript Accepted: March 16, 2012
Published: May 23, 2012

Citation
Alexey A. Basharin, Maria Kafesaki, Eleftherios N. Economou, and Costas M. Soukoulis, "Backward wave radiation from negative permittivity waveguides and its use for THz subwavelength imaging," Opt. Express 20, 12752-12760 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-12752


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