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Emission of light through thin silver films via near-field coupling to surface plasmon polaritons
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) Schematic of experimental system. The silica substrate supports a silver film 18–91 nm thick. 30 nm of is evaporated on top of the silver and the substrate is index matched to a silica prism.

Image of FIG. 2.
FIG. 2.

(Color online) (Density of data points reduced for clarity.) Experimental and theoretical TM and TE polarized luminescence spectra collected through 64.2 nm silver, and emission spectrum of dye through no silver. All spectra displayed were collected or simulated at a polar emission angle of .

Image of FIG. 3.
FIG. 3.

(Color online) Experimental and theoretical maximum emission through silver as a function of silver thickness. Data and simulation were obtained at a wavelength of 625 nm, with the simulation using a silver permittivity of .

Image of FIG. 4.
FIG. 4.

(Color online) The fraction of the total power emitted from the dye that is transmitted radiatively into the silica and the water. The emissive dipole is situated 5 nm, 15 nm, or 30 nm from the silver within a semi-infinite layer of water, and the silver has a permittivity of at a wavelength of 600 nm. The quantum efficiency of the emitter was taken to be unity.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Emission of light through thin silver films via near-field coupling to surface plasmon polaritons