Breakage of Yb3+ pairs by Na+ in Yb3+-doped CaF2 laser hostS. Hraiech, A. Jouini, K. Jin Kim, Y. Guyot, C. Goutaudier, A. Yoshikawa, M. Trabelsi-Ayadi and G. BoulonAnn. Phys. Fr., 32 2-3 (2007) 59-61DOI: https://doi.org/10.1051/anphys:2008007
