Circumferentially varying mask and fabrication of fiber gratings using a mask
US6344298B1 · kind B1 · utility
23Cited by
10References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1999 |
| Grant date | Feb 5, 2002 |
| Priority date | — |
| Expiry date | Aug 26, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/70366
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A mask for forming gratings in an optical fiber has a pattern that is circumferentially varying about a central axis or region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.