Quasi-real-time visualizations of dynamics of light-induced index changes during thermal fixing in LiNbO3 crystal

Yu Han Gao, Peng Zhang, Sheng Liu, Tai An Huang, De Xing Yang, Jian Lin Zhao

科研成果: 期刊稿件文章同行评审

摘要

The dynamics of Gaussian-beam-induced index changes in LiNbO3:Fe crystal during thermal fixing are visualized in quasi-real-time by using digital holography. The on-line method is employed to fix the light-induced index changes, and an incoherent white beam emitted from a cold light source is used to develop the fixed index changes. By numerically reconstructing the recorded digital holograms, the distributions of light-induced index changes corresponding to different stages of thermal fixing can be obtained. The results illustrate that the reversal of the Gaussian-beam-induced index changes during thermal fixing are visualized in quasi-real-time successfully by employing the digital holography, and the optimal developing time can be obtained by monitoring the evolvement of light-induced index changes.

源语言英语
页(从-至)964-968
页数5
期刊Guangzi Xuebao/Acta Photonica Sinica
37
5
出版状态已出版 - 5月 2008

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