Plasmon-suppressed vertically-standing nanometal structures

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The authors report plasmon-suppressed vertically-standing nanometal-stripe-array structures fabricated by Ar ion sputtering after electron-beam lithography and Ag deposition. When the width of the Ag stripe is comparable to the skin depth of a metal (similar to 20 nm), the particle plasmon resonance is strongly suppressed for electric fields oscillating perpendicular to the length of the stripe. This suppression of the particle plasmon excitation is attributed to the limited movement of free electrons localized near the bottom of Ag stripe. This plasmon-suppressed vertically-standing nanometal structures could be used for broad band polarizers. (C) 2008 Optical Society of America.
Publisher
OPTICAL SOC AMER
Issue Date
2008-02
Language
English
Article Type
Article
Keywords

GRATINGS

Citation

OPTICS EXPRESS, v.16, no.3, pp.1951 - 1957

ISSN
1094-4087
DOI
10.1364/OE.16.001951
URI
http://hdl.handle.net/10203/91308
Appears in Collection
PH-Journal Papers(저널논문)
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