Near field imaging in microwave regime using double layer split-ring resonator based metamaterial-Reference-Cited by-同舟云学术

Near field imaging in microwave regime using double layer split-ring resonator based metamaterial

Published:2006-01-01 Issue:3 Volume:14 Page:
ISSN:1896-3757
Container-title:Opto-Electronics Review
language:
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Author:

Guven K.,Ozbay E.

Abstract

AbstractA planar metamaterial structure consisting of two layers of split-ring resonator (SRR) arrays is demonstrated to form the image of a point source with subwavelength resolution. The source frequency is swept through the resonance gap of the metamaterial layers and the lateral field intensity distribution is recorded on the transmission side of the metamaterial. When the source is tuned to the resonance frequency of SRRs, the metamaterial acts as a high permeability medium and a distinct image with subwavelength resolution in the lateral direction is obtained. Increasing the distance between the individual SRR layers reduces the interlayer coupling, and the intensity and spatial resolution of the image decrease rapidly.

Publisher

Elsevier BV

Subject

Electrical and Electronic Engineering,Radiation,General Materials Science

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