Method and apparatus for linewidth narrowing and single mode operation in lasers by intra-cavity nonlinear wave mixing
US5646951A · kind A · utility
3Cited by
3References
15Claims
0Family size
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Key dates
| Filing date | Mar 21, 1995 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Mar 21, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/1608
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of using a distributed saturable absorber added to a laser cavity, which by nonlinear wave-mixing of the counterpropagating beams (or spatial hole-burning) promotes a reduction of the linewidth and a single mode operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.