Theory of the transmission properties of an optical far-field superlens for imaging beyond the diffraction limit
JOSA B, Vol. 23, Issue 11, pp. 2383-2392 (2006)
http://dx.doi.org/10.1364/JOSAB.23.002383
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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.
© 2006 Optical Society of America
OCIS Codes
(110.0180) Imaging systems : Microscopy
(160.3900) Materials : Metals
(230.1950) Optical devices : Diffraction gratings
(310.6860) Thin films : Thin films, optical properties
ToC Category:
Physical Optics
History
Original Manuscript: July 22, 2005
Revised Manuscript: November 7, 2005
Manuscript Accepted: November 21, 2005
Citation
Stéphane Durant, Zhaowei Liu, Jennifer M. Steele, and Xiang Zhang, "Theory of the transmission properties of an optical far-field superlens for imaging beyond the diffraction limit," J. Opt. Soc. Am. B 23, 2383-2392 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-11-2383
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