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Recording and fixing dynamics of nonvolatile photorefractive holograms in LiNbO3 : Fe : Mn crystals
Ren, LY; Liu, LR; Liu, D; Zu, JF; Luan, Z; Ren, LY, Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, POB 800-211, Shanghai 201800, Peoples R China
2003
Source PublicationJ. Opt. Soc. Am. B-Opt. Phys.
Volume20Issue:10Pages:2162
AbstractA theoretical explanation of nonvolatile holographic recording in LiNbO3:Fe:Mn crystals is given based on jointly solving the two-center material equations and the coupled-wave equations. The nonuniformity of the dynamics of the photorefractive grating can be effectively described and analyzed by using this method. The time-space evolution, including the space-charge field, the diffraction efficiency, the light modulation depth, the phases of the space-charge field, and the interference field, as well as the relative spatial phase shift between them, is studied for both oxidized and reduced crystals. The optimal conditions for material prescriptions and oxidation-reduction processing are discussed in detail. The bending isophase of the fringe pattern and the redistributed intensities of the two-coupled beams inside the crystal are presented. The theoretical results can confirm and predict experimental results. Some new effects are also discovered, such as: The fixed diffraction efficiency can exceed the saturation diffraction efficiency for strongly recorded gratings; the energy transfer direction between two-coupled beams can be reversed with crystal thickness; and the holographic readout in reduced crystal is always accompanied by fast phase changes, which results in the slow deterioration of the recorded holograms as a result of the production of homogeneous distributions of electrons. (C) 2003 Optical Society of America.
SubtypeArticle
Indexed BySCI
Language英语
WOS IDISI:000185834600018
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.siom.ac.cn/handle/181231/18055
Collection信息光学开放实验室
Corresponding AuthorRen, LY, Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, POB 800-211, Shanghai 201800, Peoples R China
AffiliationChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Ren, LY,Liu, LR,Liu, D,et al. Recording and fixing dynamics of nonvolatile photorefractive holograms in LiNbO3 : Fe : Mn crystals[J]. J. Opt. Soc. Am. B-Opt. Phys.,2003,20(10):2162.
APA Ren, LY,Liu, LR,Liu, D,Zu, JF,Luan, Z,&Ren, LY, Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, POB 800-211, Shanghai 201800, Peoples R China.(2003).Recording and fixing dynamics of nonvolatile photorefractive holograms in LiNbO3 : Fe : Mn crystals.J. Opt. Soc. Am. B-Opt. Phys.,20(10),2162.
MLA Ren, LY,et al."Recording and fixing dynamics of nonvolatile photorefractive holograms in LiNbO3 : Fe : Mn crystals".J. Opt. Soc. Am. B-Opt. Phys. 20.10(2003):2162.
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