Resonantly pumped mid-ir laser
US4330763A · kind A · utility
24Cited by
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5Claims
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Key dates
| Filing date | Mar 19, 1980 |
| Grant date | May 18, 1982 |
| Priority date | — |
| Expiry date | Mar 19, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/1653
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A solid-state laser operative in the mid infrared region (3-5 .mu.m) comprises a YLF laser including a trivalent terbium activator which is pumped by a resonant external laser source (Ho:YLF, 2.06 .mu.m laser) to directly populate the upper laser level which achieves inversion before non-radiative decay depletes the initial laser-level population. The initial laser manifold that is externally pumped is the .sup.7 F.sub.2 manifold. Inversion is then between the .sup.7 F.sub.3 and .sup.7 F.sub.5 manifolds and laser oscillation at 4.1 .mu.m is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.