Sub-Diffraction-Limited Optical Imaging with a Silver Superlens

Fang, N.. (2005) Sub-Diffraction-Limited Optical Imaging with a Silver Superlens. Science, 308 (5721). pp. 534-537. ISSN 0036-8075

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Recent theory has predicted a superlens that is capable of producing sub–diffraction-limited images. This superlens would allow the recovery of evanescent waves in an image via the excitation of surface plasmons. Using silver as a natural optical superlens, we demonstrated sub–diffraction-limited imaging with 60-nanometer half-pitch resolution, or one-sixth of the illumination wavelength. By proper design of the working wavelength and the thickness of silver that allows access to a broad spectrum of subwavelength features, we also showed that arbitrary nanostructures can be imaged with good fidelity. The optical superlens promises exciting avenues to nanoscale optical imaging and ultrasmall optoelectronic devices.

Item Type: Article
Collections: Nanomanufacturing Research Collection > Nanomanufacturing Nanoscale Science and Engineering Centers > Center for Scalable and Integrated Nanomanufacturing
Depositing User: Robert Stevens
Date Deposited: 06 Oct 2014 20:58
Last Modified: 06 Oct 2014 20:58

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