Subwavelength Optics Theory and Technology

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From the beginning of this century, there has been a dramatic increase in interest in the study of surface plasmon polaritons-based metallic subwavelength structures and learning. This is a ...
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PLASMONIC STRUCTURES FOR IMAGING AND SUPERFOCUSING

Pp. 101-133 (33)

Yongqi Fu

Abstract

Superlens for imaging was introduced firstly. Two types of the superlenses were presented: negative refraction-based perfect lens, and metamaterials-based silver superlens. After that, several plasomonic structures such as the subwavelength metallic structures with depth tuning and width tuning, variant periods metallic structures, and funnel-shaped array for beaming and superfocusing were illustrated. A recently developed light source, radial polarization illumination was cited as a new concept of polarization for illumination. Then the radial polarization illumination-based plasmonic structures for superlensing were described. Finally, a nanoplasmonic waveguide for nanofousing was described.

Affiliation:

School of Physical Electronics University of Electronic Science and Technology of China.