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EnglishIn this work, Er3+ and Tm3+-doped LiLa9(SiO4)(6)O-2 crystals have been grown from an Li2MoO4 flux in the 1360-940 degrees C temperature range. Optical absorption spectra have been measured to obtain the experimental oscillator strengths of the transitions from the ground state to the excited levels. Judd-Ofelt calculations have been performed to estimate the Omega(2), Omega(4) and Omega(6) intensity parameters. The dynamics of selected Er3+ and Tm3+ manifolds have been investigated under selective pulsed excitation in order to determine the energy gap law by comparing the observed decay rates with the Judd-Ofelt predictions.
| Titolo: | Optical transition probabilities in Er3+- and Tm3+-doped LiLa9(SiO4)6O2 crystals |
| Autori: | |
| Data di pubblicazione: | 2010 |
| Rivista: | |
| Abstract: | In this work, Er3+ and Tm3+-doped LiLa9(SiO4)(6)O-2 crystals have been grown from an Li2MoO4 flux in the 1360-940 degrees C temperature range. Optical absorption spectra have been measured to obtain the experimental oscillator strengths of the transitions from the ground state to the excited levels. Judd-Ofelt calculations have been performed to estimate the Omega(2), Omega(4) and Omega(6) intensity parameters. The dynamics of selected Er3+ and Tm3+ manifolds have been investigated under selective pulsed excitation in order to determine the energy gap law by comparing the observed decay rates with the Judd-Ofelt predictions. |
| Handle: | http://hdl.handle.net/11562/344067 |
| Appare nelle tipologie: | 01.01 Articolo in Rivista |
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