Luminescence centers in silicate and germanate glasses activated by bismuth |
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| Authors: | A. A. Veber O. V. Usovich L. A. Trusov P. E. Kazin V. B. Tsvetkov |
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| Affiliation: | 1. Laboratory of Active Media for Solid-State Lasers, Prokhorov General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia
2. Faculty of Chemistry, Moscow State University, Moscow, 119991, Russia
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| Abstract: | Concentration series of silicate and germanate glasses activated by bismuth are studied. It is shown that luminescence in the IR region is controlled by several active centers related to bismuth. Based on a comparison of spectroscopic characteristics of the studied glasses with the data previously obtained for chloride glass, the observed centers were identified as Bi+, Bi 2 4+ , and Bi 5 3+ in germanate glass and Bi+, Bi 2 4+ in silicate glass. |
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