Optical absorption spectra and energy levels of Er3+ ions in glassy lithium tetraborate matrix |
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| Authors: | P S Danilyuk K P Popovich P P Puga A I Gomonai N V Primak V N Krasilinets I I Turok G D Puga V M Rizak |
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| Institution: | 2. Uzhgorod National University, Uzhgorod, 88000, Ukraine
1. Institute of Electron Physics, National Academy of Sciences of Ukraine, Uzhgorod, 88017, Ukraine
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| Abstract: | The optical absorption spectra of Er:Li2B4O7 glasses are studied in the range 200–800 nm. The lines corresponding to the direct f-f parity-forbidden intraconfigurational transitions from the ground 4 I 15/2 state to the levels of the excited 4 F 9/2, 4 S 3/2, 2 H 9/2, 2 H 11/2, 4 F 7/2, 4 F 5/2, 4 F 3/2, 2 H 9/2, 4 G 11/2, 4 D 3/2, 4 D 1/2, and 2 D 3/2 states are found. |
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