16 November 2010 Thulium-doped silica fibers with enhanced 3H4 level lifetime: modelling the devices for 800-820 nm band
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Silica-based thulium-doped fiber devices operating around 810 nm would extend the spectral range covered by highpower fiber devices. Using a comprehensive numerical model of the fiber we have shown that efficient lasing at 810 nm can be achieved for specific ranges of the laser cavity parameters in silica-based thulium-doped fibers with enhanced 3H4lifetime up to 58 μs as measured in our highly alumina-codoped fibers. We present optimization of the thulium-doped fiber and laser cavity parameters and also potential applications of the developed host material in amplifiers and broadband sources.
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Pavel Peterka, Pavel Peterka, Ivan Kasik, Ivan Kasik, Anirban Dhar, Anirban Dhar, Bernard Dussardier, Bernard Dussardier, Wilfried Blanc, Wilfried Blanc, "Thulium-doped silica fibers with enhanced 3H4 level lifetime: modelling the devices for 800-820 nm band", Proc. SPIE 7843, High-Power Lasers and Applications V, 78430A (16 November 2010); doi: 10.1117/12.871756; https://doi.org/10.1117/12.871756


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