蒸发微粒气体对光的消光特性

doi:10.3969/j.issn.1007-2861.2013.06.009

上海大学学报(自然科学版) ›› 2013, Vol. 19 ›› Issue (6): 598-605.doi: 10.3969/j.issn.1007-2861.2013.06.009

蒸发微粒气体对光的消光特性

黄凯1,2, 王志亮1,2, 周哲玮1,2, 张金松3, 张建华3

1. 上海大学上海市应用数学和力学研究所, 上海 200072; 2. 上海市力学在能源工程中的应用重点实验室, 上海 200072; 3. 上海大学机电工程与自动化学院, 上海 200072

出版日期:2013-12-30 发布日期:2013-12-30
通讯作者: 王志亮(1974—), 男, 博士, 研究方向为流体稳定性及运动界面问题. E-mail: wng_zh@shu.edu.cn
作者简介:王志亮(1974—), 男, 博士, 研究方向为流体稳定性及运动界面问题.
基金资助:
国家自然科学基金资助项目(11172163); 上海市重点学科建设资助项目(S30106); 上海市教委E-研究院建设计划资助项目

Light Extinction Properties of Granular Gas in Vacuum Deposition Process

HUANG Kai1,2, WANG Zhi-liang1,2, ZHOU Zhe-wei1,2, ZHANG Jin-song3, ZHANG Jian-hua3

1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China; 2. Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai 200072, China; 3. School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, China

Online:2013-12-30 Published:2013-12-30

摘要/Abstract

摘要： 在真空镀膜问题中, 对蒸发出的有机分子颗粒作粗粒化处理, 在假定其形貌为球体粒子条件下, 针对由一定数量的、随机分布的蒸发微粒组成的多粒子体系, 利用电磁学广义 Lorenz-Mie 理论研究了该多粒子体系对光的消光特性. 计算结果表明, 随着主粒子粒径的增大和数量的增加, 消光系数呈现出先增大后减小的趋势, 体系消光系数存在极大值; 当平面波入射时, 入射光能量相对高斯光束具有更大的损耗. 另外, 讨论了不同主粒子尺寸参数下电磁场幅值的分布特性.

关键词: 多粒子体系, 广义 Lorenz-Mie 理论, 消光特性, 真空热蒸发

Abstract: Assume that the vapor of organic polymers in a vacuum deposition process is composed of spherical particle by coarse graining to form a multiple particle system, and consider extinction properties of light for such a system consisting of up to 3 000 randomly distributed particles. The generalized Lorenz-Mie theory from electromagnetic theory is used. The results show that, with the increase of the size and number of primary particles, the extinction coefficients go up at the beginning and fall down afterwards, indicating the presence of maximum values in the extinction coefficients. The energy of a plane incident wave decays faster than that of a Gaussian wave. Properties of electromagnetic fields under different primary particle sizes are also studied.

Key words: extinction property, generalized Lorenz-Mie theory, multiple particle system, thermal evaporation in vacuum

中图分类号:

O 351

黄凯1,2, 王志亮1,2, 周哲玮1,2, 张金松3, 张建华3. 蒸发微粒气体对光的消光特性[J]. 上海大学学报(自然科学版), 2013, 19(6): 598-605.

HUANG Kai1,2, WANG Zhi-liang1,2, ZHOU Zhe-wei1,2, ZHANG Jin-song3, ZHANG Jian-hua3. Light Extinction Properties of Granular Gas in Vacuum Deposition Process[J]. Journal of Shanghai University（Natural Science Edition）, 2013, 19(6): 598-605.

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蒸发微粒气体对光的消光特性

Light Extinction Properties of Granular Gas in Vacuum Deposition Process

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