Energy transfer between Yb3+ and Er3+ ions in an Er,Yb:YAl3(BO3)4 crystal |
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| Authors: | N A Tolstik V E Kisel’ N V Kuleshov V V Mal’tsev E V Koporulina N I Leonyuk |
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| Institution: | 1. Center for Optical Materials and Technologies, Belarussian State Technological University, Minsk, 220013, Belarus
2. Moscow State University, Moscow, Russia
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| Abstract: | The electron-excitation energy transfer between Er3+ and Yb3+ ions in Er,Yb:YAl3(BO3)4 crystals has been investigated. Crystals with different concentrations of active ions have been grown, and their luminescence decay kinetics in the spectral range near 1 μm have been experimentally measured. The energy-transfer microparameters have been calculated. It is shown that, to correctly describe the energy transfer in Er,Yb:YAl3(BO3)4 crystals, one must take into account the interactions of higher orders than dipole-dipole interactions. |
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