Optically pulsed laser
US5157684A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Oct 23, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/117
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An unstable resonator, dc excited, is pulsed using an adjoint coupled beam of low power as the pulsing element. The resonator feedback consists of the self-feedback and the adjoint beam feedback. The self-feedback can be sufficient for self-oscillation and pulsed operation can be achieved by controlling the repetition rate and the magnitude of the adjoint beam power. Complete control and shut-off between pulses with complete freedom of repetition rate is achieved if the self-feedback is insufficient for laser oscillation. The invention was demonstrated on a 10 kilowatt average power CO.sub.2 laser with pulse control provided by with a 100 watt adjoint feedback beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.