Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法,分别编制出了计算te波和TM波的衍射效率程序。
The rigorous coupled-wave theory is used to analyze the characteristics of grating diffraction, and the results indicate that this method produces no phase distortion.
运用严格的光栅衍射耦合波理论分析光栅的衍射特性,发现该方案不会引入相位畸变。
This paper suggests a new method of rapid and automatic measuring the spectral diffraction efficiency curve of plane grating.
本文提出了一种快速自动测试平面光栅光谱衍射效率曲线的新方法。
This paper presents a new non-contact displacement sensor with diffraction grating metrology system based on an improved Foucault focus detection method.
本文介绍了一种新型的基于改进傅科聚焦探测法且自带衍射光栅计量系统的非接触式位移传感器。
A new method for measuring the spectral diffraction efficiency of plane grating with double-beam and single detector is suggested.
本文提出了一种双光束检测器测试平面光栅衍射效率的新方法。
The authors show that using the half-wave strip method to deduce the bright and dark fringe conditions of Fraunhofer grating diffraction is simpler than the amplitude vector method.
本文用半波带法对夫琅禾费光栅衍射进行分析该方法和常用的振幅矢量法相比,分析衍射条纹的位置更要快捷,明了。
We show and illuminate that the scalar diffraction theory is an approximation method to calculate the diffraction efficiency of grating, and there are restrictions on its application.
指出全息菲涅耳透镜是一种特殊类型的光栅。分析并说明光栅的标量衍射理论是计算衍射效率的一种近似方法,因此它的应用是有限制条件的。
A new method of microlens focal length measurement by rotation method based on grating diffraction is introduced.
介绍了一种利用光栅的多缝衍射分光代替传统转角法的角度测量的微透镜焦距测量方法。
A numerical approach based on finite difference time domain (FDTD) method was presented for investigating the diffraction effect of a metal grating fabricated in QWIP.
本文给出了一种基于时域有限差分法(FDTD)的数值方法,计算制备在QWIP器件上的金属光栅的衍射效应。
In this method, the measuring sensitivity can be varied by selecting different grating constam or diffraction order. This method can be applied to polished surfaces and rough surfaces as well.
这种方法可通过选择不同的光栅常数或衍射级来改变测量的灵敏度,可测量抛光的表面,也可测量粗糙的表面。
In the paper a optical storage method based on the principle of grating diffraction is presented.
文章提出了一种基于光栅衍射原理的光存储方法。
Based on the rigorous coupled wave electromagnetic fields analysis method, the blazed grating diffraction characteristic was researched.
介绍了严格的耦合波理论分析闪耀光栅衍射特性的方法。
This method is applied to calculate the diffraction efficiencies accurately for arbitrary grating profiles, incident angles, substrate indexes and wavelengths in the same order of grating period.
这种方法适用于光栅周期处于波长量级、任意光栅轮廓及倾斜入射时的精确衍射效率计算。
In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.
在有限电导率光栅的微分理论中引入校正傅里叶展开方法,改善了计算收敛性。
In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.
在有限电导率光栅的微分理论中引入校正傅里叶展开方法,改善了计算收敛性。
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