Abstract

Simulations and near-field measurements indicated that collective surface plasmons of silver nanoparticle clusters resulted in the super-resolution property of the AgOx-type super-resolution near-field structure. Randomly distributed metallic nanoparticle clusters transferred evanescent signals from subwavelength objects to propagating waves like a near-field probe and circumvented the diffraction limit.

© 2004 Optical Society of America

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