[1] V. Kushawaha, A. Banerjee, L. Major. High-efficiency flashlamp-pumped Nd:KGW laser. Appl. Phys. (B), 1993, 56(4): 239~242
[2] K. A. Stankov, G. Marowsky. High efficiency multicolour Q-switched Nd3+:KGW laser. Appl. Phys. (B), 1995, 61(2): 213~215
[3] J. M. Esmeria, Jr., H. Ishii, M. Sato et al.. Efficiency continous-wave lasing operation of Nd:KGW at 1067 nm with diode and Ti:sappire laser pumping. Opt. Lett., 1995, 20(14): 1538~1540
[4] Zhao Ting-jie, Tu Chao-yang, Luo Zun-du. Experimental study of Nd3+:KGd(WO4)2 laser pumped by laser diode. Chinese Phys. Lett., 1996, 13(3): 178~181
[5] B. R. Judd. Optical absorption intensities of rare-earth ions. Phys. Rev., 1962, 127(3): 750~761
[6] W. T. Carnall, P. R. Field, K. Rajnak. Electronic Energy levels in the trivalent lanthanide aquo ions I. J. Chem. Phys., 1968, 49(10): 4424~4449
[7] T. S. Lomheim, L. G. Deshazer. Optical-absorption intensities of trivalent neodymium in the uniaxial crystal yttrium orthovanadate. J. Appl. Phys., 1978, 49(11): 5517~5522
[8] Luo Zundu, Chen Xueyuang, Zhao Tinjie. Judd-Ofelt parameter analysis of near earth anisotropic crystals by arbitrary three perpendicular unpolarized measurement. Opt. Commun., 1997, 134(1~6): 415~422