27 July 1994 Spectroscopic properties, energy transfer dynamics, and laser performance of thulium-holmium doped laser systems
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Abstract
Spectroscopic studies using laser induced fluorescence and numerical modelling of energy transfer and back transfer mechanism are reported in Er:Tm:Ho:YLF, Cr:Tm:Ho:YAG and Cr:Tm:YAG laser crystals at various temperatures (10 K - 300 K). Direct energy transfer from Tm3+ excited states to Ho3+ 5I7 emitting level was observed and analyzed both in YAG and YLF. Further analysis of Cr3+ and Tm3+ time-dependent emission curves indicate a strong correlation of chromium- thulium pairs. Pulsed operation of holmium laser at high temperature will be presented.
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Yehoshua Y. Kalisky, Yehoshua Y. Kalisky, Stanley R. Rotman, Stanley R. Rotman, Georges Boulon, Georges Boulon, Christian Pedrini, Christian Pedrini, Alain Brenier, Alain Brenier, } "Spectroscopic properties, energy transfer dynamics, and laser performance of thulium-holmium doped laser systems", Proc. SPIE 2138, Longer Wavelength Lasers and Applications, (27 July 1994); doi: 10.1117/12.181358; https://doi.org/10.1117/12.181358
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