用双平面反射镜构成位错产生光学漩涡  

Generation of optical vortex by dislocations produced with a pair of flat reflecting mirrors

作　　者：冯秀舟[1] 朱天淳[1] 方建兴[1] 

机构地区：[1]苏州大学物理科学与技术学院

出　　处：《激光杂志》2010年第4期31-32,共2页Laser Journal

摘　　要：我们给出了一种简单的产生光学漩涡的方法,当一束高斯光束对称地照射在两块略微相互倾斜的平面反射镜上时,实验显示在远场形成了涡旋光束。我们给出了产生该涡旋光的机理和产生涡旋的条件,并且进行了数值模拟。该方法简单易行,不受波长限制,转换效率高。We report a simple method to generate an optical vortex by dislocation produced with a pair of flat reflecting mirrors.While a Gaussian beam shines symmetrically onto the boundary of two mirrors which are slightly tilted,experiments show an optical vortex forms in the far field.We figure out the mechanism and the condition of forming the vortices,and numerical analytical results agree well with the experimental results.The technique we present is applicable for all wavelengths of light.It has high conversion efficiency and can stand high-power radiation.

关 键 词：涡旋光 位错 一对平面反射镜 高斯光束 

分 类 号：O436[机械工程—光学工程] O439[理学—光学]