[1] J. J. Amodei. Electron diffusion effects during hologram recording in crystal［J］. Appl. Phys. Lett., 1971, 18(1): 22～24

[2] F. Micheron, G. Bismuth. Electrical control of fixation and erasure of holographic patterns in ferroelectric materials［J］. Appl. Phys. Lett., 1972, 20(2): 79～81

[3] D. V. Linde, A. M. Glass, K. F. Rodgers. Multiphoton photorefractive processes for optical storage in LiNbO3［J］. Appl. Phys. Lett., 1974, 25(3): 155～157

[4] D. V. Linde, A. M. Glass, K. F. Rodgers. Optical storage using refractive index changes induced by two-step excitation［J］. Appl. Phys. Lett., 1976, 47(1): 217～220

[5] H. Guenther, R. Macfarlane, Y. Furukawa et al.. Two-color holography in reduced near-stoichiometric lithium niobate［J］. Appl. Opt., 1998, 37(32): 7611～7623

[6] L. Hesselink, S. Orlov, A. Liu et al.. Photorefractive materials for nonvolatile volume holographic data storage ［J］. Science, 1998, 282(5391): 1089～1094

[7] Y. Liu, K. Kitamura, S. Takekawa et al.. Nonvolatile two-color holography in Mn-doped near-stoichiometric lithium niobate［J］. Appl. Phys. Lett., 2002, 81(15): 2686～2688

[8] K. Kitamura, Y. Furukawa, Y. Ji et al.. Photorefractive effect in LiNbO3 crystals enhanced by stoichiometry control［J］. J. Appl. Phys., 1996, 82(3): 1006～1009

[9] Y. Furukawa, K. Kitamura, Y. Ji et al.. Photorefractive properties of iron-doped stoichiometric lithium niobate［J］. Opt. Lett., 1997, 22(8): 501～503

[10] S. M. Kostritskii, O. G. Sevostyanov. Influence of intrinsic defects on light-induced changes in the refractive index of lithium niobate crystals［J］. Appl. Phys. B, 1997, 65(4-5): 527～533

[11] T. Zhang, B. Wang, S. Fang et al.. Growth and photorefractive properties of an Fe-doped near-stoichiometric LiNbO3 crystal［J］. J. Phys. D: Appl. Phys., 2005, 38(12): 2013～2016

[12] H. D. Liu, X. Xie, Y. F. Kong et al.. Photorefractive properties of near-stoichiometric lithium niobate crystals doped with iron［J］. Opt. Mater., 2006, 28(3): 212～215

[13] K. Polgar, A. Peter, L. Kovacs et al.. Growth of stoichiometric LiNbO3 single crystals by top seeded solution growth method［J］. J. Crystal Growth, 1997, 177(3-4): 211～216

[14] H. M. O′Bryan, P. K. Gallagher. C. D. Brandle. Congruent composition and Li-rich phase boundary of LiNbO3 ［J］. J. Am. Ceram. Soc., 1985, 68(9): 493～496

[15] U. Schlarb. K. Betzler. Influence of the defect structure on the refractive indices of undoped and Mg-doped lithium niobate［J］. Phys. Rev. B, 1994, 50(2): 751～757

[16] H. Kurz, E. Kratzig, W. Keune et al.. Photorefractive centers in LiNbO3, studied by optical-, Mssbauer- and EPR- methods［J］. Appl. Phys. A, 1977, 12(4): 355～368

[17] M. Falk, K. Buse. Thermo-electric method for nearly complete oxidization of highly iron-doped lithium niobate crystals［J］. Appl. Phys. B, 2005, 81(6): 853～855

[18] M. Simon, F. Jermann, E. Kratzig. Light-induced absorption changes in iron-doped LiNbO3［J］. Opt. Mater., 1994, 3(4): 243～250

[19] D. Berben, K. Buse, S. Wevering et al.. Lifetime of small polarons in iron-doped lithium-niobate crystals ［J］. J. Appl. Phys., 2000, 87(3): 1034～1041

[20] K. Buse, F. Jermann, E. Kratzig. Two-step photorefractive hologram recording in LiNbO3Fe［J］. Ferroelectrics, 1993, 141(2): 197～205

[21] Y. Liu, K. Kitamura, S. Takekawa et al.. Nonvolatile two-color holography in Mn-doped near-stoichiometric lithium niobate ［J］. Appl. Phys. Lett., 2002, 81(15): 2686～2688

[22] Y. Liu, K. Kitamura, S. Takekawa et al.. UV-light-induced absorption and its relaxation in Mn-doped near-stoichiometric LiNbO3［J］. J. Appl. Phys., 2005, 97(7): 073515

[23] S. Wevering, J. Imbrock, E. Kratzig. Relaxation of light-induced absorption changes in photorefractive lithium tantalate crystals ［J］. J. Opt. Soc. Am. B, 2001, 18(4): 472～478

[24] D. Zhang, E. Y. B. Pun. Modification of stretched-exponentially dependent depopulation dynamics of small polaron in FeLiNbO3 crystals ［J］. J. Appl. Phys., 2004, 95(7): 3437～3442