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) Variation of pump power intensity with the length of Er:Yb:glass.