结构参量对脉冲高斯光束布拉格衍射特性的影响

被引:5
作者
闫爱民
刘德安
周煜
栾竹
刘立人
机构
[1] 中国科学院上海光学精密机械研究所信息光学实验室
关键词
衍射与光栅; 布拉格衍射; 耦合波理论; 脉冲高斯光束; 体光栅;
D O I
暂无
中图分类号
O438.1 [全息光学];
学科分类号
摘要
利用二维耦合波理论,研究了体光栅对时间和空间都为高斯型分布的脉冲激光光束的衍射性质,得到了衍射和透射光振幅的解析表达式.讨论了体光栅的结构参量对衍射光束的空间和频谱强度分布以及衍射效率的影响.结果表明,体光栅的波长选择带宽和衍射光束带宽随着结构参量的增大而增大,衍射效率随着入射脉冲时间宽度的增大而增大,并趋于定值,结构参量值越小,达到饱和的速度越慢,饱和值越大.
引用
收藏
页码:1517 / 1521
页数:5
相关论文
共 9 条
[1]  
Refractive indices oflithium niobate. D.S.Smith,H.D.Riccius,R.P.Edwin. Optics Communication . 1976
[2]  
Braggdiffraction of finite beams by thick gratings. M.G.Moharam,T.K.Gaylord,R.Magnusson. Journal of the Optical Society of America . 1980
[3]  
Diffraction of optical beams witharbitrary profiles by a periodically modulated layer. R.S.Chu,J.A.Kong. Journal of the Optical Society of America . 1980
[4]  
Diffraction study of photorefractivehologram under ultrashort pulse readout. X.Yan,B.Yang,B.Yu. Optik . 2004
[5]  
Bandwidth study ofvolume holography in photorefractive InP∶Fe for femtosecondpulse readout at 1.5μm. Y.Ding,D.D.Nolte,Z.Zheng et al. Journal of the Optical Society of America B Optical Physics . 1998
[6]  
Diffraction of opticalcommunication Gaussian beams by volume gratings:comparisonof simulations and experimental results. P.Boffi,J.Osmond,D.Piccininet al. Applied Optics . 2004
[7]  
Coupled wave theory for thick hologram gratings. H.Kogelnik. Bell Syst.Technol.J . 1969
[8]  
Partial Differential Equations of MathematicalPhysics. Tyn Myint-U. . 1973
[9]  
Angularsensitivities of volume gratings for substrate-mode opticalinterconnects. S.D.Wu,T.K.Gaylord,E.N.Glytsis et al. Applied Optics . 2005