The optical properties of Yb3+ ions in LiTaO3:Nd,Yb crystals
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- Sokólska, I., Ryba-Romanowski, W., Gołab, S. et al. Appl Phys B (1997) 65: 495. doi:10.1007/s003400050302
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ions excited by energy transfer from Nd3+ ions in LiTaO3:Nd, Yb crystals are presented. The emission band of Yb3+ ions is broad, due to the strong phonon-coupling and to the relative large Stark-splitting of the ground 2F7/2 multiplet. The emission cross-section was evaluated by the reciprocity method, and a value of 0.53×10-20 cm2 was obtained. The gain coefficients derived for the inversion parameters in the range 0.05 to 0.5 indicate positive gain in the 985–1070 nm range.