Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2008-04-15
2008-04-15
Font, Frank G. (Department: 2883)
Optical waveguides
With optical coupler
Particular coupling structure
C385S015000, C385S031000, C385S039000, C385S042000, C385S050000
Reexamination Certificate
active
07359598
ABSTRACT:
Disclosed is a surface plasmon optic device that has a periodic array of apertures in a dielectric substrate and a metal film formed on the dielectric substrate and emits light from metal-air interface. The surface plasmon optic device includes a surface plasmon generating apparatus, a surface plasmon detecting apparatus, a surface plasmon controlling apparatus, an etching apparatus, etc. if a metal diffraction grating is disposed on the metal film having a well-defined interface, propagation of the surface plasmon can be efficiently reflected, divided and controlled. Further, radiating surface plasmon having a half period of a lattice constant formed at air-metal (1, 0) can be preserved at a distance of at least a few micron.
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Hohng Sung-Chul
Kim Dai-Sik
Lienau Christoph
Malyarchuck Victor
Park Jong-Wan
Font Frank G.
Lepisto Ryan
Osha-Liang LLP
Seoul National University Industry Foundation
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