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Some characteristics of population inversion of the4I13/2level of erbium ions in ytterbium–erbium glasses
E. F. Artem'ev, A. G. Murzin, Y. K. Fedorov, V. A. Fromzel'Year:
1981
Language:
english
DOI:
10.1070/QE1981v011n09ABEH008386
File:
PDF, 354 KB
english, 1981