3D-TAPERED NANOCAVITIES WITH ON-CHIP OPTICAL AND MOLECULAR CONCENTRATION FOR SINGLE MOLECULE DIAGNOSTICS
A plasmonic device including a support layer extending along a first direction and a second direction, an insulating layer on the support layer, and a plasmonic layer on the insulating layer and defining a cavity extending along the first direction, the cavity having a three-dimensionally (3D) taper...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A plasmonic device including a support layer extending along a first direction and a second direction, an insulating layer on the support layer, and a plasmonic layer on the insulating layer and defining a cavity extending along the first direction, the cavity having a three-dimensionally (3D) tapered structure and being configured to propagate an electromagnetic field along the first direction and to concentrate the electromagnetic field at a tip of the cavity, wherein the support layer, the insulating layer, and the plasmonic layer define an opening therein, the opening being at the tip of the cavity and being configured to pass-through target molecules of a solution present on the plasmonic layer. |
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