Deep red diode-pumped Pr³⁺:KY₃F₁₀ continuous-wave laser
We report the first observation of continuous-wave laser emission at 720 nm, in the deep red region, of a Pr3+:KY3F10 (Pr:KYF) single crystal, pumped with a blue InGaN-based laser diode at 446 nm. We employed a hemispherical cavity with three different output coupling mirrors transmitting 0.7%, 1.4%...
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| Veröffentlicht in: | Optics letters 2015-05, Vol.40 (9), p.1992-1995 |
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| Sprache: | eng |
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| container_end_page | 1995 |
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| container_issue | 9 |
| container_start_page | 1992 |
| container_title | Optics letters |
| container_volume | 40 |
| creator | Sottile, Alberto Metz, Philip W |
| description | We report the first observation of continuous-wave laser emission at 720 nm, in the deep red region, of a Pr3+:KY3F10 (Pr:KYF) single crystal, pumped with a blue InGaN-based laser diode at 446 nm. We employed a hemispherical cavity with three different output coupling mirrors transmitting 0.7%, 1.4%, and 2.7% of laser radiation. We obtained a maximum output power of 207 mW with a slope efficiency of 24.3%, comparable for the first time to what has been reported for other praseodymium-doped fluoride crystals. The round-trip cavity losses for our sample were estimated to be between 0.3% and 0.6%, a remarkably small value for this material. |
| doi_str_mv | 10.1364/OL.40.001992 |
| format | Article |
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| fulltext | fulltext |
| identifier | EISSN: 1539-4794 |
| ispartof | Optics letters, 2015-05, Vol.40 (9), p.1992-1995 |
| issn | 1539-4794 |
| language | eng |
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| source | Optica Publishing Group Journals |
| title | Deep red diode-pumped Pr³⁺:KY₃F₁₀ continuous-wave laser |
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