偏振状态下微粒的Mie散射特性研究  

Research on the features of particle's Mie scattering based on polarization state

作　　者：杨颖[1] 黄竹青[1,2] 曹小玲[1] 

机构地区：[1]长沙理工大学能源与动力工程学院,湖南长沙410110 [2]湖南有色金属职业技术学院,湖南株洲412006

出　　处：《激光与红外》2013年第12期1376-1380,共5页Laser & Infrared

基　　金：湖南省自然科学基金项目(No.12JJ2031);湖南省高校创新平台项目(No.11K003)资助

摘　　要：为了研究偏振状态下球形微粒的Mie散射规律,采用一种连分式向前递推的高精度算法,通过matlab编程计算,对单个微粒和微粒群进行研究,主要分析了小尺度范围内球形微粒的吸收性、粒径分布对散射光分布规律的影响,直观的表示出Mie散射分布规律,有助于Mie散射理论基础的研究和应用。In order to study the regular pattern of Mie scatter,a high- accuracy algorithm of the continued fraction forward recursive is presented. The single particle and particle swarm are discussed by virtue of programming calculation of the matlab. It focuses on the influence of the absorbency of spherical particle and the particle size distribution on the light scattering regular pattern,when the incident light is the plane polarized light. And it shows the regular pattern of Mie scatter intuitively,which is helpful to research and utilization of the Mie scattering theory.

关 键 词：MIE散射 微粒群 折射率 散射系数 散射相函数 

分 类 号：O436[机械工程—光学工程]