Acoustic superlens using membrane-based metamaterials

Jong Jin Park; Choon Mahn Park; K. J.B. Lee; Sam H. Lee

doi:10.1063/1.4907634

Acoustic superlens using membrane-based metamaterials

Jong Jin Park, Choon Mahn Park, K. J.B. Lee, Sam H. Lee

Department of Physics

Research output: Contribution to journal › Article

64 Citations (Scopus)

Abstract

We report construction of an acoustic superlensing using two dimensional membrane-based negative-density metamaterials. When two point sources separated by a distance of 1/17 of the wavelength are placed near to a surface of the metamaterial slab, well-resolved images are formed on the opposite surface across the slab. The mechanism for the subwavelength resolution is the surface wave stemming from negative density. Potential applications include acoustic imaging and sensing.

Original language	English
Article number	051901
Journal	Applied Physics Letters
Volume	106
Issue number	5
DOIs	https://doi.org/10.1063/1.4907634
Publication status	Published - 2015 Feb 2

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4907634

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title = "Acoustic superlens using membrane-based metamaterials",

abstract = "We report construction of an acoustic superlensing using two dimensional membrane-based negative-density metamaterials. When two point sources separated by a distance of 1/17 of the wavelength are placed near to a surface of the metamaterial slab, well-resolved images are formed on the opposite surface across the slab. The mechanism for the subwavelength resolution is the surface wave stemming from negative density. Potential applications include acoustic imaging and sensing.",

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