Special Section on Metamaterials: Fundamentals and Applications

Subwavelength optical imaging with an array of silver nanorods

[+] Author Affiliations
Atiqur Rahman, Yang Hao, Clive Parini

Queen Mary University of London, School of Electronic Engineering and Computer Science, Mile End Road, London E1 4NS, UK

Sergey Yu. Kosulnikov

National Research University of Information Technologies, Mechanics and Optics, 197101, Kronverkskiy pr., 49, St. Petersburg, Russia

Pavel A. Belov

Queen Mary University of London, School of Electronic Engineering and Computer Science, Mile End Road, London E1 4NS, UK

National Research University of Information Technologies, Mechanics and Optics, 197101, Kronverkskiy pr., 49, St. Petersburg, Russia

J. Nanophoton. 5(1), 051601 (April 26, 2011). doi:10.1117/1.3577703
History: Received December 03, 2010; Revised March 14, 2011; Accepted March 17, 2011; Published April 26, 2011; Online April 26, 2011
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Tailoring the parameters of a silver nanorod array for subwavelength imaging of arbitrary coherent sources is of recent interest. We evaluated the operational bandwidth of this type of superlens, and also the impact of source-offset in order to understand the level of tolerance offered by the superlens with regard to source location. The performance of the device was analyzed numerically both through analysis of transmission and reflection coefficients and by full-wave simulation for a particular sample source arrangement. We observed that such a device exhibited better imaging performances with the sources spread wider, offering a bandwidth of around 13.5%.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Atiqur Rahman ; Sergey Yu. Kosulnikov ; Yang Hao ; Clive Parini and Pavel A. Belov
"Subwavelength optical imaging with an array of silver nanorods", J. Nanophoton. 5(1), 051601 (April 26, 2011). ; http://dx.doi.org/10.1117/1.3577703


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