期刊
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
卷 28, 期 3, 页码 547-553出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.28.000547
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资金
- Australian Research Council [DP0878268]
- Australian Research Council [DP0878268] Funding Source: Australian Research Council
Localized surface plasmon resonances occurring within subwavelength apertures are accompanied by an aperture-geometry-dependent phase shift that can be utilized for beam manipulation. Here we demonstrate two-dimensional, planar, converging and diverging plasmonic lenses, formed by an array of nanometric spatially varying cross-shaped apertures in a silver film. The performance of lenses with different design configurations was evaluated at two different wavelengths using a confocal scanning optical microscope. (C) 2011 Optical Society of America
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