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膜系光谱系数对膜层参数的一阶和二阶偏导数的计算模型

Calculation model for spectral coefficient’s first and second order partial derivatives of multilayer optical coatings with respect to layer parameters

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摘要

为了寻找一种膜系深入分析与设计的有力辅助计算工具,从光学薄膜光谱系数的矩阵计算理论出发,基于对矩阵求迹运算的巧妙运用,从数学上建立了准确计算膜系光谱系数关于膜层几何厚度、实际折射率和消光系数等膜层参数的一阶和二阶偏导数的解析模型。这一偏导数计算模型物理上与矩阵理论具有一致的通用性和普适性,适用于任何各向同性的均匀膜系统。在数学上也严格成立,数值编程计算不存在差分近似,精度达到了计算机浮点运算的极限精度。而且算法运算费时少,计算速度快,取得了高度准确性和便于实时化的双重优越性能,非常有利于应用于膜系设计领域来提高膜层数较大时的设计速度和效率。同时,这一模型能非常便捷和准确地给出膜系许多实用的导数信息,对膜系分析、测量和膜厚监控等领域中的相关应用具有重要的参考意义。

Abstract

In order to find a powerful assistant computation tool for further analysis and design of multilayer optical coatings,an analytical model is mathematically established for accurate calculation of the first and second derivatives of the spectral coefficients of multilayer optical coatings with respect to layer parameters like thickness,real refractive index and extinction coefficient. It is based on the matrix theory of calculating the spectral coefficients of multilayer optical coatings and is achieved by perfectly using the trace operation of matrix. This partial derivative computation model characterizes the same applicable condition and universality in physics with the matrix theory mentioned above. Thus it can also be applied to any homogenous and isotropic layered multilayer system. It is mathematically strict without any differential approximate calculation and is supposed to obtain the maximal precision of the floating-point operations of computer. What is more,the algorithm used in this model possesses just a little time consumption and really fast computation speed. Hence its dual advantages of high accuracy and real-time calculation potential are very favorable to improve the design speed and efficiency of multilayer optical coatings when large layer number occurs. Meantime,this model can provide much useful derivative information accurately and conveniently so that can serve as a powerful assistant computation tool for film researchers. And it is of very important significance to use this model to guide the relative applications in the analysis,measurement and deposition thickness control of multilayer optical coatings.

补充资料

中图分类号:O484.4

DOI:10.3788/hplpb20102201.0083

所属栏目:ICF与激光等离子体

收稿日期:2009-04-13

修改稿日期:2009-09-22

网络出版日期:0001-01-01

作者单位    点击查看

吴素勇:国防科学技术大学 光电科学与工程学院,长沙 410073
龙兴武:国防科学技术大学 光电科学与工程学院,长沙 410073
黄云:国防科学技术大学 光电科学与工程学院,长沙 410073
杨开勇:国防科学技术大学 光电科学与工程学院,长沙 410073

联系人作者:吴素勇(sywu2001@163.com)

备注:吴素勇|主要从事光学薄膜设计与分析等研究|(1984-),男,博士研究生.

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引用该论文

Wu Suyong,Long Xingwu,Huang Yun,Yang Kaiyong. Calculation model for spectral coefficient’s first and second order partial derivatives of multilayer optical coatings with respect to layer parameters[J]. High Power Laser and Particle Beams, 2010, 22(1): 83-90

吴素勇,龙兴武,黄云,杨开勇. 膜系光谱系数对膜层参数的一阶和二阶偏导数的计算模型[J]. 强激光与粒子束, 2010, 22(1): 83-90

被引情况

【1】吴素勇,龙兴武,杨开勇,黄云. 光学多层薄膜反向工程中局部优化算法的性能分析. 光学学报, 2011, 31(6): 631001--1

【2】吴素勇,龙兴武,杨开勇. 一种最小化薄膜光学参数表征偏差的椭偏测量系统误差处理技术. 光学学报, 2012, 32(6): 631001--1

【3】吴素勇,龙兴武,杨开勇. 薄膜光学参数表征误差处理技术. 强激光与粒子束, 2012, 24(8): 1919-1924

【4】吴素勇,龙兴武,杨开勇. 光学薄膜鲁棒设计中膜系误差灵敏度控制. 强激光与粒子束, 2012, 24(10): 2391-2399

【5】吴素勇,杨开勇,谭中奇. 低误差灵敏度的高性能激光偏振分光膜的稳健设计. 光学学报, 2013, 33(2): 231004--1

【6】吴素勇,黄云,曲天良,樊振方,谭中奇. 小型环形激光器中He-Ne气体放电辉光压制的光学方法. 强激光与粒子束, 2014, 26(8): 81012--1

【7】张欣,胡志芬,吴素勇,谭中奇. 基于OpenFilters的He-Ne气体辉光压制窄带滤光片. 激光技术, 2015, 39(3): 432-436

【8】简钰东,汤建勋,吴素勇,江奇渊,谭中奇. 多层膜体折射率弱不均匀度反演计算的近似模型及性能分析. 应用光学, 2016, 37(1): 124-130

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