Open AccessPyramid-shaped hyperlenses for three-dimensional subdiffraction optical imaging
Author(s) -
Lin Chen,
Guo Ping Wang
Publication year - 2009
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.003903
Subject(s) - optics , pyramid (geometry) , nanolithography , finite difference time domain method , dielectric , planar , wavelength , point spread function , hexahedron , materials science , optical tweezers , physics , optoelectronics , computer science , finite element method , fabrication , medicine , alternative medicine , computer graphics (images) , pathology , thermodynamics
Based on the hyperbolic dispersion relation for a strongly anisotropic medium, we propose a kind of pyramid-shaped hyperlenses (PSHLs) consisting of multilayer of planar silver and dielectric films for three-dimensional (3D) subdiffraction imaging at optical wavelengths. Numerical simulations by using the finite difference time domain method demonstrate that the PSHLs can resolve eight point sources with nanoscale separations distributed in 3D domain (with different hexahedron structures). Our results imply the potential applications of the hyperlens in real-time biomolecular imaging, nanolithography, and sensing.