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C. Jacinto, Marcos V. Vermelho, M. T. de Araujo, P. T. Udo, N. G. Astrath, A. C. Bento, T. Catunda, and M. L. Baesso, "Thermal lens study of energy transfer in Yb3+/Tm3+-co-doped glasses," Opt. Express 15, 9232-9238 (2007)