Wavelet element method for lamellar gratings
发布时间：2025-04-30
点击次数：
- 发布时间：
- 2025-04-30
- 论文名称：
- Wavelet element method for lamellar gratings
- 发表刊物：
- Journal of the Optical Society of America A
- 摘要：
- A wavelet element method is developed for analyzing lamellar diffraction gratings or grating stacks. The eigenmodes
of the grating layers are accurately calculated by this method, and then the diffraction efficiencies of the
gratings are calculated by the S-matrix algorithm. The method proposed in this paper consists in mapping each
homogeneous layer to a wavelet element, and then matching them according to the boundary conditions between
the layers. By this method the boundary conditions are satisfied rigorously and the Gibbs phenomenon in the
Fourier modal method (FMM) can be avoided. The method performs better than the standard FMM for gratings
involving metals. It can also be applied to analyze other discontinuous structures.
- 合写作者：
- Zhangyi Liu, Jiu Hui Wu, Li Shen
- 卷号：
- Vol.30 No.5
- 页面范围：
- 1021-1029
- 是否译文：
- 否
- 发表时间：
- 2013-04-12