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Curved space plasmonic optical elements
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DOI：10.1364/OL.44.005234.png)
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Abstract
En 中文
We have designed and experimentally studied non-planar curved space plasmonic optical elements. Three different smooth curved space plasmonic structures were studied: a dome that acts either as a focusing element or as a deflector for plasmonic beams, a cone that acts as a plasmonic prism, and a tapered book cover that alters the size of a plasmonic guided wave. The functional mechanism of these elements relies purely on the curvature-induced effective potential and does not require any additional dielectric layer for shaping the plasmonic beams. The curved space plasmonic elements open exciting new possibilities for guiding, focusing, deflecting, and controlling the propagation of plasmonic beams in a compact manner. (C) 2019 Optical Society of America
Keywords:
BLOCH OSCILLATIONS
QUANTUM-MECHANICS
SURFACE
NANOPARTICLES
EXCITATION
MOLECULES
LIGHT