Competition between green and infrared emission in Er:YLiF4 upconversion lasers |
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| Authors: | Octavian Toma Serban Georgescu |
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| Institution: | National Institute for Laser, Plasma and Radiation Physics, Solid-State Quantum Electronics Laboratory, 409 Atomistilor Street, 077125, Magurele, Jud. Ilfov, Romania |
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| Abstract: | The competition between two laser transitions in Er:YLiF4 (4S3/2 → 4I15/2 at 551 nm and 4S3/2 → 4I13/2 at 850 nm) is studied using a model based on rate equations. The laser emission is pumped by upconversion at 795 nm; for comparison, we also discuss upconversion pumping by another mechanism, at 970 nm. The conditions that favor laser emission in various regimes on these two transitions are found. |
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| Keywords: | Upconversion laser Erbium Dual-wavelength laser |
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