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EnglishWe report on the growth, spectroscopy, and laser operation of monocrystalline Tm3+:SrF2. Spectroscopic investigations confirmed the presence of broad absorption and emission bands caused by inequivalent doped sites, introduced by charge compensation e ects which also caused the clusterization of doping ions in the lattice. We obtained continuous-wave laser emission at about 2 µm, with e ciencies comparable with other Tm-doped crystals. We also achieved an uninterrupted tuning range of 180 nm between 1.8 and 2 µm. This characterization indicates that SrF2enhances the cooperative mechanisms between Tm ions, helping to obtain remarkable laser performances at low doping concentrations.
| Autori interni: | SOTTILE, ALBERTO (Primo) DAMIANO, EUGENIO (Secondo) TONELLI, MAURO (Ultimo) |
| Autori: | Sottile, A.; Damiano, E.; Rabe, M.; Bertram, R.; Klimm, D.; Tonelli, and M. |
| Titolo: | Widely tunable, efficient 2 µm laser in monocrystalline Tm3+:SrF2 |
| Anno del prodotto: | 2018 |
| Abstract: | We report on the growth, spectroscopy, and laser operation of monocrystalline Tm3+:SrF2. Spectroscopic investigations confirmed the presence of broad absorption and emission bands caused by inequivalent doped sites, introduced by charge compensation e ects which also caused the clusterization of doping ions in the lattice. We obtained continuous-wave laser emission at about 2 µm, with e ciencies comparable with other Tm-doped crystals. We also achieved an uninterrupted tuning range of 180 nm between 1.8 and 2 µm. This characterization indicates that SrF2enhances the cooperative mechanisms between Tm ions, helping to obtain remarkable laser performances at low doping concentrations. |
| Digital Object Identifier (DOI): | 10.1364/OE.26.005368 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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