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Updated: Apr 16, 2026
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Absorption, fluorescence and second harmonic generation in Cr³⁺-doped BiB₃O₆ glasses
W Kuznik1, I Fuks-Janczarek2, A Wojciechowski3
1Electrical Engineering Department, Czestochowa University of Technology, Armii Krajowej 17, Czestochowa 42-200, Poland; Department of Experimental Physics, Debrecen University, Bem Ter 18a, 4026 Debrecen, Hungary.
Abstract:
Synthesis, spectral properties and photoinduced nonlinear optical effects of chromium-doped BiB3O6 glass are studied in the present paper. Absorption, excitation and time resolved luminescence spectra are presented and luminescence decay behavior is discussed. Detailed analysis of the obtained spectra (assignment of the most prominent spectral features in terms of the corresponding Cr(3+) energy levels, crystal field strength Dq, Racah parameters B and C) was performed. A weak photostimulated second harmonic generation signal was found to increase drastically due to poling by proton implantation in the investigated sample.
