Journal
OPTICS EXPRESS
Volume 11, Issue 7, Pages 682-687Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.11.000682
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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. (C) 2003 Optical Society of America.
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