Ann. Phys. Fr., Vol. 32, N°2-3 2007, pp. 59-61
DOI: 10.1051/anphys:2008007

Breakage of Yb³⁺ pairs by Na⁺ in Yb³⁺-doped CaF₂ laser host

S. Hraiech¹, A. Jouini^{1, 2}, K. Jin Kim², Y. Guyot¹, C. Goutaudier¹, A. Yoshikawa², M. Trabelsi-Ayadi³ and G. Boulon<sup>1

1</sup>  LPCML, Université Claude Bernard/Lyon 1, UMR 5620 CNRS, La Doua, Villeurbanne 69622, France
²  IMRAM, Tohoku University, 2-1-1, Katahira, Sendai 980-8577, Japan
³  ACRSNE, Faculté des Sciences de Bizerte, Tunisia

Published online: 23 May 2008

Abstract
Co-operative luminescence process has been used to prove, co-doping Yb³⁺-doped CaF₂ fluorite laser crystals with Na⁺ charge compensator, would break the tendency of Yb³⁺ ions pair formation.

Correspondence: hraiech@pcml.univ-lyon1.fr
boulon@pcml.univ-lyon1.fr


© EDP Sciences 2008