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J. Korean Ceram. Soc. > Volume 30(5); 1993 > Article
Journal of the Korean Ceramic Society 1993;30(5): 339.
Silicate계 Nd : Laser Glass에서 $Cr^{3+}$이온의 Sensitizer 효과
유영문, 김병호, 왕영성1
고려대학교 재료공학과
1쌍용 중앙연구소
Sensitizing Effect of $Cr^{3+}$ in Nd : Laser Glass of Silicate System
Inproving laser efficiency, optimum content of Nd3+ which is active ion and effect of Cr3+ as a sensitizer are investigated in 60SiO2.30Li2O.10CaO host glass. The glasses are fabricated with the addition of Nd3+, Cr3+ and then optical properties such as absorption spectrum, fluorescence spectrum and fluorescence lifetime were studied. Finally, lasing efficiency was measured. From this study, optimum content of Nd2O3 appeared to be 3.5wt% and it was observed that the energy absorbed by optical exicitation of the Cr3+ is transfered to the Nd3+. Addition of Cr2O3 tend to improve characteristic of laser oscillation for the laser glass.
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