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Dynamic surface plasmon patterns generated by reconfigurable “cogwheel-shaped” beams
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10.1063/1.3005636
/content/aip/journal/apl/93/18/10.1063/1.3005636
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/18/10.1063/1.3005636
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the experiment setup.

Image of FIG. 2.
FIG. 2.

Experimental (left) and simulation (right) results of the cogwheel beam with topological charge .

Image of FIG. 3.
FIG. 3.

Illustration of SPR excitation by the cogwheel mode, the radius of which is modulated to satisfy the SPR angle.

Image of FIG. 4.
FIG. 4.

[(a) and (e)] Excitation of fluorescence by far-field cogwheel beams. [(b) and (f)] Excitation of fluorescence by localized SP intensity patterns. (c) The light reflected from bottom of the sample and relayed to CCD. (d) Calculated magnitude of reflection coefficient versus incident angles. [(a)–(c)] ; [(e)–(f)] .

Image of FIG. 5.
FIG. 5.

(a) Cogwheel beam ; [(b)–(e)] Normalized intensity distribution and its components in the focal field illuminated by a high focused cogwheel mode . (b) ; (c) ; (d) ; (e) . Units of axes: .

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/content/aip/journal/apl/93/18/10.1063/1.3005636
2008-11-03
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dynamic surface plasmon patterns generated by reconfigurable “cogwheel-shaped” beams
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/18/10.1063/1.3005636
10.1063/1.3005636
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