[3] [3] L. Arizmendi, J. M. Cabrera. Optical absorption, emission spectra of Eu3+ in LiNbO3[J]. Phys. Rev. B, 1985, 31(11): 7138～7145

[6] [6] Haiping Xia, Hongwei Song, Qiuhua Nie et al.. Preparation and optical spectroscopy of phosphate glasses containing divalent europium ions[J]. Chin. Opt. Lett., 2003, 1(5): 296～298

[7] [7] Massayuki Nogami, Yoshihiro Abe. High temperature persistent spectral hole burning of Eu3+ doped SiO2 glass prepared by the sol-gel process[J]. Appl. Phys. Lett., 1997, 71(24): 1～3

[8] [8] Yongfa Kong, Jinke Wen, Huafu Wang. New doped lithium niobate crystal with high resistance to photorefraction-LiNbO3:In[J]. Appl. Phys. Lett., 1995, 66(3): 280～281

[10] [10] Haiping Xia, Xianlin Zeng, Jinhao Wang et al.. Growth of Fe-doped LiNbO3 single crystal by Bridgman method[J]. Materials Lett., 2004, 56: 2476～2480

[11] [11] Haiping Xia, Xianlin Zeng, Jinhao Wang et al.. Optical absorption spectra of LiNbO3, Fe∶LiNbO3, and Zn∶Fe∶LiNbO3 single crystals grown by Bridgman method[J]. Cryst. Res. Technol., 2004, 39(4): 337～342

[12] [12] Haiping Xia, Hongwei Song, Xianlin Zeng et al.. Growth and fluorescence spectra of LiNbO3 single crystals doped with Eu3+ by Bridgman method[J]. Materials Chemistry and Physics, 2004, 85: 280～285

[13] [13] U. Schlarb, M. Wohlecke, B. Gather et al.. Refractive indices of Zn-doped lithium niobate[J]. Optical Materials, 1995, 4:791～795

[14] [14] S. Tanabe, S. Todoroki, K. Hirao et al.. Phonon sideband of Eu3+ in sodium borate glasses[J]. J. Non-Cryst. Solids, 1990, 122(1): 59～65