[1] [1] Takenobu Suzuki, Ganapathy Senthil Murugan, Yasutake Ohishi. Spectroscopic properties of a novel near-infrared tunable laser material Ni∶MgGa2O4[J]. J. Luminescence, 2005, 113(3～4): 265～270

[2] [2] E. Martins, N. D. Vieira Jr., S. L. Baldochi et al.. Optical spectroscopy properties of BaLiF3 doped with Ni2+[J]. J. Luminescence, 1994, 62(6): 281～289

[5] [5] Judith Grimm, Oliver S. Wenger. Broadband green upconversion luminescence of Ni2+ in KZnF3[J]. J. Luminescence, 2003, 102～103: 380～385

[6] [6] Xihe Zhen, Wushen Xu, Qiang Li et al.. Growth and optical properties of In∶Er∶LiNbO3 crystals[J]. J. Crystal Growth, 2004, 271: 469～473

[10] [10] K. Polgr, . Péter, L. Kovs et al.. Growth of stoichometric LiNbO3 single crystals by top seeded solution growth method[J]. J. Crystal Growth, 1996, 177: 211～216

[14] [14] Shuhua Yao, Jiyang Wang, Hong Liu et al.. Growth, optical and thermal properties of near-stoichiometric LiNbO3 single crystal[J]. J. Alloys and Compounds, 2007, 430(1～2): 1～5

[15] [15] G. Lakshminarayana, S. Buddhudu. Spectral analysis of Mn2+, Co2+ and Ni2＋∶B2O3-ZnO-PbO glasses[J]. Spectrochimica Acta Part A, 2006, 63: 295～304

[16] [16] Satoru Sugano, Yukito Tanabe, Hiroshi Kamimura. Multiplets of Transition-Metal Ions in Crystals[M]. New York: Academic Press, 1970