Raman gain medium
US4523315A · kind A · utility
21Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 1982 |
| Grant date | Jun 11, 1985 |
| Priority date | — |
| Expiry date | Apr 9, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/305
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A new Raman gain medium, comprising an optical fiber into which molecular gas has been diffused, is disclosed. This new medium combines the advantages of a fiber, i.e., long interaction path, low loss, controllable dispersion, and convenience in handling, with the large Raman wave number shift of the gas, i.e., 4136 cm.sup.-1 for H.sub.2 in silica. A laser made with such a medium can provide a relatively high power, tunable, coherent signal source in the near and far infrared regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.