Theory of the transmission properties of an optical far-field superlens for imaging beyond the diffraction limit

Durant, Stéphane and Liu, Zhaowei and Steele, Jennifer M. and Zhang, Xiang. (2006) Theory of the transmission properties of an optical far-field superlens for imaging beyond the diffraction limit. Journal of the Optical Society of America B, 23 (11). pp. 2383-2392. ISSN 0740-3224

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Abstract

A conventional optical superlens for imaging beyond the diffraction limit produces images only in the near-field zone of the superlens. In contrast, an optical far-field superlens (FSL) device has a remarkable transmission property that leads to a one-to-one relationship between the far-field and the near-field angular spectra. This property makes the device suitable for imaging beyond the diffraction limit from far-field measurement. This specific FSL is composed of a properly designed periodically corrugated metallic slab-based superlens. Through the numerical design and parameter study, we show that the transmission property of this FSL is based on a specific strong-broadband wavenumber excitation of surface-plasmon polaritons supported by the nanostructured metallic grating.

Item Type: Article
Uncontrolled Keywords: Optical imaging
Collections: Nanomanufacturing Research Collection
Depositing User: Moureen Kemei
Date Deposited: 26 Mar 2010 15:03
Last Modified: 26 Mar 2010 15:03
URI: http://eprints.internano.org/id/eprint/372

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