Propagation of spoof surface plasmon on metallic square lattice: bending and splitting of self-collimated beams

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The propagation characteristics of spoof surface plasmon modes are studied in both real and reciprocal spaces. From the metallic square lattice, we obtain constant frequency contours by directly measuring electric fields in the microwave frequency regime. The anisotropy of the measured constant frequency contour supports the presence of the negative refraction and the self-collimation which are confirmed from measured electric fields. Additionally, we demonstrate the spoof surface plasmon beam splitter in which the splitting ratio of the self-collimated beam is controlled by varying the height of rods.
Publisher
OPTICAL SOC AMER
Issue Date
2014-02
Language
English
Article Type
Article
Keywords

2-DIMENSIONAL PHOTONIC CRYSTAL

Citation

OPTICS EXPRESS, v.22, no.4, pp.4050 - 4058

ISSN
1094-4087
DOI
10.1364/OE.22.004050
URI
http://hdl.handle.net/10203/188839
Appears in Collection
PH-Journal Papers(저널논문)
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