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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 11 — Jun. 1, 2014
  • pp: 3286–3289

Imaging performance of finite uniaxial metamaterials with large anisotropy

Alessandro Tuniz, Damian Ireland, Leon Poladian, Alexander Argyros, C. Martijn de Sterke, and Boris T. Kuhlmey  »View Author Affiliations


Optics Letters, Vol. 39, Issue 11, pp. 3286-3289 (2014)
http://dx.doi.org/10.1364/OL.39.003286


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Abstract

Metamaterials with extreme anisotropy overcome the diffraction limit by supporting the propagation of otherwise evanescent waves. Recent experiments in slabs of wire media have shown that images deteriorate away from the longitudinal Fabry–Perot resonances of the slab. Existing theoretical models explain this using nonlocality, surface waves, and additional boundary conditions. We show that image aberrations can be understood as originating from cavity resonances of uniaxial media with large local axial permittivity. We apply a simple cavity resonator model and a transfer matrix approach to replicate salient experimental features of wire media hyperlenses. These results offer avenues to reduce observed imaging artefacts, and are applicable to all uniaxial media with large magnitude of the axial permittivity, e.g., wire media and layered media.

© 2014 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(110.2990) Imaging systems : Image formation theory
(160.1190) Materials : Anisotropic optical materials
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: March 13, 2014
Revised Manuscript: April 24, 2014
Manuscript Accepted: April 25, 2014
Published: May 29, 2014

Citation
Alessandro Tuniz, Damian Ireland, Leon Poladian, Alexander Argyros, C. Martijn de Sterke, and Boris T. Kuhlmey, "Imaging performance of finite uniaxial metamaterials with large anisotropy," Opt. Lett. 39, 3286-3289 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-11-3286

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