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US 8,710,444 B2Granted
Nanogap device for field enhancement and a system for nanoparticle detection using the same
AssigneeSnu R&Db Foundation
InventorsDai Sik Kim, Hyeong Ryeol Park, Min Ah Seo
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Abstract
A nanogap device for field enhancement is described, which includes: a film made of an electrically conductive material; and a nanogap formed on the film and having a gap-width between a Thomas-Fermi screening length and a skin depth, the Thomas-Fermi screening length and the skin depth being determined by an electromagnetic wave and the electrically conductive material, and system for nanoparticle detection using the device.
Claims17
A nanogap device for electric field enhancement, comprising:
- a film made of an electrically conductive material;
- and
- a nanogap formed on the film and having a gap-width between a Thomas-Fermi screening length and a skin depth, the Thomas-Fermi screening length and the skin depth being determined by an electromagnetic wave and the electrically conductive material,
- wherein the nanogap has a length of a half resonant wavelength of the electromagnetic wave.
1 more element
A system for nanoparticle detection, comprising:
- an electromagnetic wave source for generating an electromagnetic wave;
- a film made of an electrically conductive material;
- a nanogap formed on the film and having a gap-width between a Thomas-Fermi screening length and a skin depth, the Thomas-Fermi screening length and the skin depth being determined by the electromagnetic wave and the electrically conductive material;
- and
- a measuring means for measuring the electromagnetic wave transmitted through the nanogap.
2 more elements
Dependencies are inferred from the claim text.