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A dual-color plasmonic focus for surface-selective four-wave mixing
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10.1063/1.4747798
/content/aip/journal/apl/101/8/10.1063/1.4747798
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4747798
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Excitation configuration for the dual-color plasmonic lens. Two independent SPPs are launched at each side of the plasmonic lens, and focused into a common focal spot, which is used for nonlinear excitation and probing of nanosized targets. (b) Geometry of objective-based illumination of incident fields and onto the dual-color plasmonic lens. (c) Scanning electron micrograph of a dual-color plasmonic lens and a Si nanoparticle (Si NP) target.

Image of FIG. 2.
FIG. 2.

(a) CCD image of the launching and focusing of two independent SPP modes with the plasmonic lens. (b) CCD image of the dual-color contribution () to the TPEF of a R6G solution in methanol. (c) Dual-color TPEF signal as a function of the time delay between and . (d) Intensity profile of the dual-color TPEF signal along the vertical dashed line marked in (b), with a Gaussian FWHM of 0.63 .

Image of FIG. 3.
FIG. 3.

CCD image of FWM radiation from a Si nanoparticle at the focus of a dual-color plasmonic lens, with incident light polarized parallel (a) and perpendicular (b) to the optical axis of the lens. (c) FWM signal as a function of the time delay between and . The solid curve is the calculated cross-correlation based on the (Gaussian) pulse widths of the incident pulses. (d) Dependence of the FWM signal on . The solid curve is a guide to the eye.

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/content/aip/journal/apl/101/8/10.1063/1.4747798
2012-08-23
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A dual-color plasmonic focus for surface-selective four-wave mixing
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4747798
10.1063/1.4747798
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