[1] MAIMAN T H. Stimulated optical radiation in ruby laser[J]. Nature, 1960, 187(4736): 493-494.
[2] LAVERSENNE L, GUYOT Y, GOUTAUDIER C, et al. Optimization of spectroscopic properties of Yb3+-doped refractory sesquioxides: cubic Y2O3, Lu2O3 and monoclinic Gd2O3[J]. Opt Mater, 2001, 16(4): 475-483.
[5] IKESUE A, KINOSHITA T, KAMATA K, et al. Fabrication and optical properties of high-performance polycrystalline Nd∶YAG ceramics for solid-state lasers[J]. J Am Ceram Soc, 1995, 78(4): 1033-1040.
[6] LU J, UEDA K, YAGI H, et al. Neodymium doped yttrium aluminum garnet (Y3Al5O12) nanocrystalline ceramics-a new generation of solid state laser and optical materials[J]. J Alloys Compd, 2002, 341(1-2) :220-225.
[7] MENG Qing-xin, LIANG Bao-yan, LI Hai-yun, et al. Effect of ball milling time on sintering densification of Nd∶YAG ceramic[J]. Hot Working Technology, 2007, 36(14): 11-14.
[8] KUMAR G A, Lu J, KAMINSKII A A, et al. Spectroscopic and stimulated emission characteristics of Nd3+ in transparent Y2O3 ceramics[J]. IEEE J Quantum Electron, 2006, 42(7):643-650.
[10] YANG Qiu-hong, XU Jun, DOU Chuan-Guo, et al. Effect of La2O3 doping on the spectroscopic properties of transparent Yb∶Y2O3 laser ceramics[J]. Acta Phys Sin, 2007, 56(7): 3961-3965.
[11] WALSH B M, MCMAHON J M, EDWARDS W C, et al. Spectroscopic characterization of Nd∶Y2O3: application toward a differential absorption lidar system for remote sensing of ozone[J]. JOSA B, 2002, 19(12): 2893-2903.Fabrication and Characterization of Nd∶(Y0.9La0.1)2O3 Transparent