Comparison of two-color holography between congruent and near-stoichiometric LiNbO3:Fe at low intensities

Yan Shen; Guoquan Zhang; Bo Fu; Qingjun Xu; Jingjun Xu

doi:10.1117/12.570348

28 January 2005 Comparison of two-color holography between congruent and near-stoichiometric LiNbO₃:Fe at low intensities

Yan Shen, Guoquan Zhang, Bo Fu, Qingjun Xu, Jingjun Xu

Author Affiliations +

Proceedings Volume 5646, Nonlinear Optical Phenomena and Applications; (2005) https://doi.org/10.1117/12.570348
Event: Photonics Asia, 2004, Beijing, China

Abstract

We have studied theoretically the steady-state nonvolatile two-step, two-color holographic recording performance for both the congruent and the near-stoichiometric LiNbO₃:Fe based on the two-center model (the deep-trap and the shallow-trap centers are Fe²⁺/Fe³⁺ and Nb_Li⁴⁺/Nb_Li⁵⁺, respectively). We compare the amplitudes of the total space-charge fields and the recording sensitivities between the congruent and the near-stoichiometric LiNbO₃:Fe. The results show that the amplitudes of the total space-charge fields in near-stoichiometric LiNbO₃:Fe are larger than that of congruent ones by at least one order of magnitude, while the recording sensitivities of the near-stoichiometric LiNbO₃:Fe are confirmed theoretically to be around two-order in magnitude higher than that of the congruent ones with the same experimental conditions at low intensity region.

Citation Download Citation

Yan Shen, Guoquan Zhang, Bo Fu, Qingjun Xu, and Jingjun Xu "Comparison of two-color holography between congruent and near-stoichiometric LiNbO₃:Fe at low intensities", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); https://doi.org/10.1117/12.570348

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