Er3+,Yb3+:glass-Co2+:MgAl2O4 diffusion bonded passively Q-switched laser
Zou Yan †, Hui Yong-Ling, Cai Jin-Lu, Guo Na, Jiang Meng-Hua, Lei Hong, Li Qiang
       

(color online) (a) The Er:Yb:glass-Co:MgAl2O4 bonded crystal; (b) high-resolution transmission electron microscopic image of bonding interface; (c) bonded crystal used in the experiment.