Apparatus and method for coupling light to a thin film optical waveguide
US7792402B2 · kind B2 · utility
18Cited by
10References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 25, 2008 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Aug 25, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus comprises an optical waveguide, a grating for coupling light into the waveguide, and an optical element for splitting a light beam into a plurality of beams that strike the grating at different angles of incidence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.