Filter for guided light, and an optical link including the filter
US5732169A · kind A · utility
14Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1995 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Dec 22, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2301/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a Fabry-Perot filter for guided light, the filter comprising two Bragg gratings that follow each other along a common light guide, a gap being left between the two gratings, wherein the two gratings have respective different lengths. The invention is particularly applicable to optical fiber telecommunications systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.