High-power mode-selective optical fiber laser
US5121460A · kind A · utility
73Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1991 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Jan 31, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/094007
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical fiber includes a multimode primary core having an index or refraction N.sub.1 and doped with a material providing optical gain; the cladding surrounding the core having an index of refraction N.sub.2 ; and a secondary core doped with an absorbent material for providing optical loss in unwanted modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.