多层光变防伪膜的非均匀垂直偏振光反射特性

王安玲; 刘福平; 朱晓峰; 杨长春

doi:doi:10.3788/gzxb20144308.0831002

光子学报, 2014, 43 (8): 0831002, 网络出版: 2014-09-01

多层光变防伪膜的非均匀垂直偏振光反射特性

The Reflection Properties of Multilayer Anti-counterfeiting Optical films for Vertical-polarized Wave

论文大纲

王安玲 ^1,*刘福平 ^1,2朱晓峰 ¹杨长春 ²

作者单位

¹ 北京印刷学院, 北京 102600

² 中国科学院地质与地球物理研究所, 北京 100029

摘要

基于非均匀光波在导电介质中传播时其相移传播方向和振幅衰减方向的不一致性, 利用光波动方程的解由电磁场边界条件导出非均匀垂直偏振光在多层超薄金属膜与透明介质膜组合膜系中光波的传输递推公式.为验证方法的可靠性, 给出了不同厚度金属膜防伪光变膜系的能量反射率算例, 并与现有算法进行对比,结果表明: 两种算法得到的能量反射曲线的分布特征具有很好的相似性, 但本文算法表现出金属膜具有强的吸收特性和窄带反射效应.

Abstract

Based on the difference of phase-shift direction and amplitude attenuation direction when the optical wave propagates in conductive medium , with the solution of the wave equation and the boundary conditions of optical wave at the interface of the media, the recurrence formula of thevertical-polarized inhomogeneous optical wave in the multilayer film were derived. In order to exammine the reliability of this method, the light energy reflectivity for an 11-layer combinational film was computed, and the compare of calculating results with the existing calculating method was given. The result shows that the reflection properties of light energy reflectivity get good consistency, but the calculated result with this method displays that metal film has stronger absorbing properties and reflection effective of narrow band.

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王安玲, 刘福平, 朱晓峰, 杨长春. 多层光变防伪膜的非均匀垂直偏振光反射特性[J]. 光子学报, 2014, 43(8): 0831002. WANG An-ling, LIU Fu-ping, ZHU Xiao-feng, YANG Chang-chun. The Reflection Properties of Multilayer Anti-counterfeiting Optical films for Vertical-polarized Wave[J]. ACTA PHOTONICA SINICA, 2014, 43(8): 0831002.

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