BEAM FOCUSING APPARATUS AND BEAM FOCUSING METHOD
PURPOSE: A beam focusing apparatus and a beam focusing method are provided to enable the focus of incident beam by including two metal nano blocks placed on a dielectric layer. CONSTITUTION: A beam focusing apparatus comprises a dielectric layer(10), a first metal nano block(12), and a second metal...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | PURPOSE: A beam focusing apparatus and a beam focusing method are provided to enable the focus of incident beam by including two metal nano blocks placed on a dielectric layer. CONSTITUTION: A beam focusing apparatus comprises a dielectric layer(10), a first metal nano block(12), and a second metal nano block(14). The first metal nano block and the second metal nano block are separated on the dielectric layer. A dielectric layer can be formed of glass and SiO2 or Si3N4. The metal nano block can be formed of one selected from a group consisting of the Au, Ag, Pt, Cu, Al, Ti, and Ni. |
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