Regenerating evanescent waves from a silver superlens | Zendy

Nicholas X. Fang | Zendy; Zhaowei Liu | Zendy; TaJen Yen | Zendy; Xiang Zhang | Zendy

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Regenerating evanescent waves from a silver superlens

Author(s) -

Nicholas X. Fang,

Zhaowei Liu,

TaJen Yen,

Xiang Zhang

Publication year - 2003

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.000682

Subject(s) - superlens , evanescent wave , optics , surface plasmon , metamaterial , surface plasmon polariton , materials science , total internal reflection , plasmon , slab , surface wave , surface plasmon resonance , permittivity , optoelectronics , dielectric , physics , nanotechnology , geophysics , nanoparticle

We investigated a precursor of superlensing: regenerating evanescent waves by excitation of a surface plasmon. Because the permittivity of a silver slab approaches -1, we experimentally observed a broadening of surface-plasmon bandwidth. Our study identifies a means to access deep subwavelength features by use of a metamaterial superlens.

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