[1] [1] Guo Y J,Zhang J,Liu C X,et al. Acta Photonica Sinica,2004,33(5):570～572

[2] [2] Zhou Y X,Zheng W,Liu C X,et al. Acta Photonica Sinica,2004,33(5):577～580

[3] [3] Yan A M,Liu L R,Liu D A. Acta Photonica Sinica,2005,34(2) :280～283

[4] [4] Buse K,Adibi A,Psaltis D. Non-volatile holographic storage in doubly doped lithium niobate crystals.Nature,1998,393:665～668

[5] [5] Liu Youwen,Liu Liren,Zhou Changhe. Nonvolatile photorefractive holograms in LiNb03 : Cu : Cecrystals. Opt Lett,2000,25 (12) :908～910

[6] [6] Ren Liyong,Liu Liren,Liu Liren,et al. Optimal switching from recording to fixing for high diffraction from a LiNbO3 : Ce : Cu photorefractive nonvolatile hologram.Opt Lett,2004,29(2):186～188

[7] [7] Yue Xuefeng,Adibi A,Hudson T,et al. Role of cerium in lithium niobate for holographic recording. J Appl Phys,2000,87(9):4051～4055

[8] [8] Liu De' an,Liu Liren,Zhou Changhe,et al. Nonvolatile holograms in LiNbO3 : Fe : Cu by use of the bleaching effect. ApplOpt,2002,41(32):6809～6814

[9] [9] Olaf Thiemann,Schirmer O F. Energy levels of several 3dimpurities and EPR of Ti3+ in LiNbO3. SPIE,1988,1018:18～22

[10] [10] Ye Ming,Kr tzig E,Orlowski R. Photoreftactive effect in LiNbO3 : Cr induced by two-step excitation. Phys Stat Sol(A),1985,92:221～229

[11] [11] McMillen D K,Hudson T D,Wagner J,et al.Holographic recording in specially doped lithium niobate crystals,Opt Express,1998,2(12):491～502

[12] [12] Yang Yunping,Demetri Psaltis,Marc Luennemann,etal. Photorefractive properties of lithium niobate crystals doped with manganese. J Opt Soc Am B,2003,20(7):1491～1502

[13] [13] Kogelnik H. Coupled wave theory for thick hologram gratings. Bell Sys Tech J,1969,48(9):2909～2947

[14] [14] Ali Adibi,Karsten Buse,Demetri Psaltis. Two-center holographic recording. J Opt Soc Am B,2001,18(5):584～601

[15] [15] Ren L,Liu L,Liu D,et al. Recording and fixing dynamics of nonvolatile photorefractive holograms in LiNbO3 : Fe : Mn crystals. J Opt Soc Am B,2003,20(10):2162～2173