CST – Computer Simulation Technology

Transport of an arbitrary near-field component with an array of tilted wires

Title:
Transport of an arbitrary near-field component with an array of tilted wires
Author(s):
Tiago A Morgado, Mário G Silveirinha,
Source:
New Journal of Physics
Vol./Issue/Date:
Volume: 11, Issue: 8, Aug. 2009
Year:
2009
Page(s):
1-22
Abstract:
In this work, we investigate the possibility of near-field transport using an array of tilted metallic wires. It is demonstrated that consistent with the results reported in Belov et al (2006 Phys. Rev. B 73 033108), which describes subwavelength imaging by an array of metallic wires normal to the interface, the setup considered here may enable the transport of the subwavelength details of a given source through an oblique projection. The array of tilted wires permits the transfer of the electric field component parallel to the wires at the image plane, even when there is no electric field normal to interface, and thus the manipulation of other near-field components (i.e. other wave polarizations) that are not accessible with the usual setup of wires normal to the interface. The emergence of negative refraction due to the extreme anisotropy of structured material is also demonstrated.
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