Diffractive readout characteristics and stability of photo-thermo-refractive volume holographic grating - 文章详情页

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摘要：

The　photo-thermo-refractive　(PTR)　volume　grating　is　formed　by　PTR　effect　in　photo-sensitive　glass.　PTR　volume　holographic　grating　has　unique　advantages　for　the　applications　of　laser　technologies　owing　to　its　excellent　wavelength　and　angular　selectivity,　high　diffraction　efficiency,　high　thermal　stability　and　high　damage　threshold.　The　diffractive　characteristics　and　stability　of　the　photo-thermo-refractive　volume　grating　are　investigated.　A　transmission　hologram　is　recorded　under　325　nm　laser　exposure　in　the　PTR　glass.　According　to　the　principle　of　variable　wavelength　readout,　experimental　setup　is　designed　for　readout　of　transmission　photo-thermo-refractive　volume　grating.　The　angular　selectivity　and　the　stability　under　laser　irradiation　of　the　transmission　PTR　volume　grating　after　thermal　development　are　measured　experimentally.　The　photo-saturation　effect　is　observed　and　a　characteristic　time　constant　is　acquired　through　by　fitting　the　calculation　and　experimental　results　to　describe　the　stability.

关键词：

Diffraction gratings Stability Holographic gratings Holograms Convergence of numerical methods Glass Laser applications Photosensitivity

作者机构：

[ 1 ] [Wan, Yuhong]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Wan, Yuhong]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Lin, Lin]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Lin, Lin]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Liu, Guoqing]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Tao, Shiquan]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Tao, Shiquan]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 8 ] [Jiang, Zhuqing]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 9 ] [Jiang, Zhuqing]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
[ 10 ] [Wang, Dayong]Institute of Information Photonics Technology, Beijing University of Technology, Beijing 100124, China
[ 11 ] [Wang, Dayong]College of Applied Sciences, Beijing University of Technology, Beijing 100124, China

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电子邮件地址：

yhongw@bjut.edu.cn

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