金属光栅 meaning in Chinese
metal grating
Examples
- Surface - enhanced raman scattering of metal raster
金属光栅的表面拉曼散射 - Biology , etc . owing to many merits has not yet been used to measure parameters of gratings . the paper researches on the subject in view of current lack of it . the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters , inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length
本论文的主要工作包括：结合光栅的矢量衍射理论和薄膜的椭偏理论，详细分析了光栅的椭偏特性；并且根据一些椭偏特性设计出一款正入射反射型单波长1 4波片；在光栅参数的椭偏反演中，引入正单纯形法作为反演算法，分别以各向同性的正弦形金属光栅和各向异性的阶梯型光栅为例，在标准椭偏值的基础上加入不同偏差的高斯噪声来模拟实际的椭偏测量值进行反演，在一定精度范围内得出满意的光栅参数，说明光栅参数的椭偏测量是可行的；还就入射角的选取问题进行了一定的探讨。 - In specific , the formulation of the rcwa for 2 - d and 3 - d metallic gratings and the formulation of the fdtd method for dispersive media are presented . a novel hybrid diffraction method , which is based on the kirchhoff - huygens diffraction formula and the rcwa , is proposed to simulate the working of a planar integrated diffraction grating
针对在光通信以及光盘存储领域的具体应用，着重对二维及三维金属光栅衍射问题的严格耦合波分析以及色散媒质散射问题的时域有限差分方法进行了公式推导。