Full-Field Subwavelength Imaging Using a Scattering Superlens

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Light-matter interaction gives optical microscopes tremendous versatility compared with other imaging methods such as electron microscopes, scanning probe microscopes, or x-ray scattering where there are various limitations on sample preparation and where the methods are inapplicable to bioimaging with live cells. However, this comes at the expense of a limited resolution due to the diffraction limit. Here, we demonstrate a novel method utilizing elastic scattering from disordered nanoparticles to achieve subdiffraction limited imaging. The measured far-field speckle fields can be used to reconstruct the subwavelength details of the target by time reversal, which allows full-field dynamic super-resolution imaging. The fabrication of the scattering superlens is extremely simple and the method has no restrictions on the wavelength of light that is used.
Publisher
AMER PHYSICAL SOC
Issue Date
2014-09
Language
English
Article Type
Article
Citation

PHYSICAL REVIEW LETTERS, v.113, no.11, pp.113901

ISSN
0031-9007
DOI
10.1103/PhysRevLett.113.113901
URI
http://hdl.handle.net/10203/191085
Appears in Collection
MS-Journal Papers(저널논문)PH-Journal Papers(저널논문)
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