Optical transmission
US9515732B2 · kind B2 · utility
0Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2014 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Feb 11, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/176
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spacecraft or satellite optical transmission apparatus (10) including an optical fiber (11) and at least one optical pump source (14) operatively coupled to provide pump energy to the optical fiber (11), the optical fiber (11) comprising an active trivalent dopant such as erbium and at least one passive trivalent dopant such as lanthanum. A method for transmitting electromagnetic radiation in a high radiation environment is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.