Alexandrite laser pumped LiF:F2− laser
| Autor: | L. Xie, B Pryor, Sergey B. Mirov, Vladimir V. Fedorov, B. Boczar, R Frost |
|---|---|
| Rok vydání: | 2001 |
| Předmět: |
Materials science
business.industry Oscillation Laser pumping Photoionization Laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Optics law Excited state Electrical and Electronic Engineering Physical and Theoretical Chemistry Atomic physics business Lasing threshold Tunable laser Excitation |
| Zdroj: | Optics Communications. 199:201-205 |
| ISSN: | 0030-4018 |
| DOI: | 10.1016/s0030-4018(01)01593-0 |
| Popis: | For the first time to our knowledge a direct alexandrite laser pumping of LiF:F 2 − crystals was suggested and realized by means of energy transfer from the F 3 − to the F 2 − color centers (CCs). Tunable laser oscillation of LiF:F 2 − in the 1000–1300 nm spectral range with a maximum efficiency of 10% was achieved. The process of two-step photo-ionization of the F 3 − CCs under 740 nm excitation was demonstrated experimentally on the basis of the measured decay rate of F 3 − centers. The photo-ionization cross-section from the first excited level of F 3 − centers was calculated to be 2×10 −22 cm 2 . Stable output lasing of the LiF:F 2 − laser at room temperature under 793 nm excitation was predicted and realized. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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