Subwavelength resolution with a negative-index metamaterial superlens

Koray Aydin; Irfan Bulu; Ekmel Ozbay

doi:10.1063/1.2750393

Subwavelength resolution with a negative-index metamaterial superlens

Koray Aydin^*, Irfan Bulu, Ekmel Ozbay

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

179 Scopus citations

Abstract

Negative-index metamaterials are candidates for imaging objects with sizes smaller than a half-wavelength. The authors report an impedance-matched, low loss negative-index metamaterial superlens that is capable of resolving subwavelength features of a point source with a 0.13λ. resolution, which is the highest resolution achieved by a negative-index metamaterial. By separating two point sources with a distance of λ/8, they were able to detect two distinct peaks on the image plane. They also showed that the metamaterial based structure has a flat lens behavior.

Original language	English (US)
Article number	254102
Journal	Applied Physics Letters
Volume	90
Issue number	25
DOIs	https://doi.org/10.1063/1.2750393
State	Published - 2007

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2750393

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title = "Subwavelength resolution with a negative-index metamaterial superlens",

abstract = "Negative-index metamaterials are candidates for imaging objects with sizes smaller than a half-wavelength. The authors report an impedance-matched, low loss negative-index metamaterial superlens that is capable of resolving subwavelength features of a point source with a 0.13λ. resolution, which is the highest resolution achieved by a negative-index metamaterial. By separating two point sources with a distance of λ/8, they were able to detect two distinct peaks on the image plane. They also showed that the metamaterial based structure has a flat lens behavior.",

author = "Koray Aydin and Irfan Bulu and Ekmel Ozbay",

note = "Funding Information: This work is supported by the European Union under the projects EU-NoE-METAMORPHOSE, EU-NoE-PHOREMOST, and TUBITAK under Projects Nos. 104E090, 105E066, 105A005, and 106A017. One of the authors (E.O.) also acknowledges partial support from the Turkish Academy of Sciences.",

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AB - Negative-index metamaterials are candidates for imaging objects with sizes smaller than a half-wavelength. The authors report an impedance-matched, low loss negative-index metamaterial superlens that is capable of resolving subwavelength features of a point source with a 0.13λ. resolution, which is the highest resolution achieved by a negative-index metamaterial. By separating two point sources with a distance of λ/8, they were able to detect two distinct peaks on the image plane. They also showed that the metamaterial based structure has a flat lens behavior.

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Subwavelength resolution with a negative-index metamaterial superlens

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