Depth selectivity of aperiodic volume grating in holographic imaging system - 文章详情页

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摘要：

The　volume　grating　formed　by　interfernce　of　one　spherical　wave　and　a　planar　wave　is　aperiodic　due　to　its　grating　vector　changes　within　the　volume　of　hologram.　The　depth　selectivity　of　aperiodic　volume　holographic　gratings　is　investigated　as　spatial-spectral　filters　in　volume　holographic　imaging　systems.　The　diffractive　characteristics　of　aperiodic　volume　holographic　grating　is　analyzed　by　regarding　it　as　an　ensemble　of　local　planar　gratings　cooperating　with　Kogelnik　coupled-wave　method.　The　depth　selectivity　of　an　aperiodic　and　a　periodic　grating　are　simulated　respectively,　and　the　effect　of　recording　angle　on　the　depth　selectivity　of　aperiodic　grating　is　simulated.　Experiments　of　recording　and　retrieving　volume　gratings　in　photorefractive　crystal　are　designed　and　implemented　in　order　to　verify　our　simulation　results.

关键词：

Diffraction efficiency Diffraction gratings Holograms Holographic gratings Imaging systems Photorefractive crystals Planers

作者机构：

[ 1 ] [Lin, Lin]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Lin, Lin]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Wan, Yuhong]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Wan, Yuhong]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Chen, Hao]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Chen, Hao]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Wu, Jiangtao]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 8 ] [Wu, Jiangtao]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 9 ] [Jiang, Zhuqing]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 10 ] [Jiang, Zhuqing]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 11 ] [Tao, Shiquan]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 12 ] [Tao, Shiquan]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China

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yhongw@bjut.edu.cn

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