Spectroscopy, modelling and laser operation of holmium doped laser crystals
Identifieur interne : 003372 ( Main/Merge ); précédent : 003371; suivant : 003373Spectroscopy, modelling and laser operation of holmium doped laser crystals
Auteurs : Y. Kalisky ; S. Rotman ; G. Boulon ; C. Pedrini ; A. BrenierSource :
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 strong correlation of chromium-thulium pairs. Pulsed operation of holmium laser at high temperature will be presented.
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DOI: 10.1051/jp4:19944138
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