Two Er:CeF3 crystals doped with 1.0 and 1.2 wt.%Er_(2)O_(3)and one pure CeF_(3) crystal were grown,their absorption and fluorescence spectra at room temperature were measured.Compared with pure crystal,the emission in...Two Er:CeF3 crystals doped with 1.0 and 1.2 wt.%Er_(2)O_(3)and one pure CeF_(3) crystal were grown,their absorption and fluorescence spectra at room temperature were measured.Compared with pure crystal,the emission intensity of Ce^(3+)in Er:CeF3 decreased obviously,it is the sign of energy transfer from 5d state of lattice Ce^(3+)to 4f state of Er3+ions which improves the stimulation emission efficiency of Er^(3+)ions.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.59732040.
文摘Two Er:CeF3 crystals doped with 1.0 and 1.2 wt.%Er_(2)O_(3)and one pure CeF_(3) crystal were grown,their absorption and fluorescence spectra at room temperature were measured.Compared with pure crystal,the emission intensity of Ce^(3+)in Er:CeF3 decreased obviously,it is the sign of energy transfer from 5d state of lattice Ce^(3+)to 4f state of Er3+ions which improves the stimulation emission efficiency of Er^(3+)ions.
