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This article presents the optical absorption and emission properties of Pr 3+ and Nd 3+ doped two different mixed alkali chloroborate glass matrices of the type 70B 2 O 3 ·xLiCl·(30−x)NaCl and 70B 2 O 3 ·xLiCl·(30−x)KCl (x=5, 10, 15, 20 and 25). The variation of Judd–Ofelt parameters (Ω 2 , Ω 4 and Ω 6 ), total radiative transition...
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