Optical coupler
US4691982A · kind A · utility
23Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1985 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Mar 7, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical coupler of good efficiency can be prepared at a low cost by making an optical waveguide and a grating of the optical coupler of a monomolecular layer or a monomolecular built-up film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.