Optical transmission apparatus with directionality and divergence control
US7057151B2 · kind B2 · utility
30Cited by
2References
31Claims
0Family size
Assignees
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Key dates
| Filing date | Aug 30, 2002 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Aug 30, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/56
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus for emitting light with a controlled directionality and optical divergence from at least one opening includes a light impervious surface structure having the at least one opening, a periodic or quasi-periodic surface topography including one or several surface feature(s) and associated with the at least one opening on the surface structure, whereby light emerging from the opening(s) interacts with surface waves on the surface structure (20) thereby providing controlled directionality and optical divergence of the emitted light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.