A computational inverse diffraction grating problem

被引:27
作者
Bao, Gang [3 ,4 ]
Li, Peijun [1 ]
Wu, Haijun [2 ]
机构
[1] Purdue Univ, Dept Math, W Lafayette, IN 47907 USA
[2] Nanjing Univ, Dept Math, Nanjing 210093, Jiangsu, Peoples R China
[3] Michigan State Univ, Dept Math, E Lansing, MI 48824 USA
[4] Zhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China
基金
美国国家科学基金会; 中国国家自然科学基金;
关键词
DOUBLY PERIODIC STRUCTURE; FINITE-ELEMENT-METHOD; PROFILE RECONSTRUCTION; UNIQUENESS THEOREMS; SCATTERING PROBLEMS; NUMERICAL-SOLUTION; BINARY GRATINGS; OPTIMAL-DESIGN; OPTICS; HYPOTHESIS;
D O I
10.1364/JOSAA.29.000394
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Consider the diffraction of a time-harmonic plane wave incident on a perfectly reflecting periodic surface. A continuation method on the wavenumber is developed for the inverse diffraction grating problem, which reconstructs the grating profile from measured reflected waves a constant distance away from the structure. Numerical examples are presented to show the validity and efficiency of the proposed method. (C) 2012 Optical Society of America
引用
收藏
页码:394 / 399
页数:6
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