Unstable laser cavity with passive Q-switch fitted with a saturable absorber with absorption gradient
US9819140B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Mar 27, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/0818
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The laser cavity is of the unstable type and is provided with a passive Q-switch, the passive Q-switch comprising a saturable absorber that has an absorption gradient, so that the absorption profile of the saturable absorber is inhomogeneous over the cross section of the beam travelling in the laser cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.