衍射光栅

用衍射光栅和CCD测量透明材料折射率

Refraction Index Measurement of Transparent Materials by Using Diffraction Grating and CCD

结果表明，加入增益介质的F-P干涉仪的光谱特性要明显优于衍射光栅光谱仪的光谱特性。

The results show that the spectrum characteristics of F-P interferometer with gain medium is better obviously than that of diffraction grating .

二元矩形软X射线衍射光栅的标量区衍射理论

An Optical Design of 3-D Diffraction Grating in Soft X-Ray Spectra Based on Scalar Theory

单缝与衍射光栅CAI课件系统的设计与实现

Design and implementation of single slit and diffraction grating CAI Courseware System

GaAs基片上制作优质衍射光栅的实时监测技术的分析

Analysis of In-situ Monitoring Technique for Fabrication of High Quality Diffraction Gratings on GaAs Substrate

通过计算机模拟的方法，用VB语言编写程序，运行后可在屏幕上模拟显示平面衍射光栅衍射图样，而且可以实现人机对话。

Diffraction patterns of plane diffraction grating are obtained through computer analogy with VB program on screen .

InP和InGaAsP晶体上衍射光栅的刻制技术

Etching Technique of Diffraction Gratings in InP and InGaAsP

介绍了一种基于衍射光栅干涉和CCD图像测量的测量透明材料折射率的方法。

An experimental method for the refraction index measurement of transparent materials is described , based on the interference of expanded and collimated laser beams that are diffracted by a grating .

之所以使用X射线是因为其波长和原子裂解时的波长一样，所以晶体作为分子衍射光栅衍射X射线，产生一种可以获取并分析的衍射图形。

X-rays are used because they have the same wavelength as the atomic separations so the crystal acts as a molecular diffraction grating to diffract a beam of X-rays , producing a diffraction pattern that can be captured and analyzed .

80mm×80mm衍射光栅零级衍射效率实验研究

Experiment Research of Zeroth-order Diffraction Efficiency of 80 mm × 80 mm Color-separation Grating

在光电器件光谱特性测量的原理上采用了三种方案进行比较：即衍射光栅型、Fabry-Perot干涉仪型和Michelson干涉仪型进行了对比。

In the optoelectronic devices on the principle of measurement of spectral characteristics used to compare three scenarios : a diffraction grating , Fabry-Perot interferometer and the Michelson-type interferometer-type proceed .

对作为波分复用关键器件之一的刻蚀衍射光栅（EDG）的像差特性提出了一种简单方便的计算方法，分析了像差对刻蚀衍射光栅频谱响应的影响。

A simple and effective method for calculating the wave aberration for an etched diffraction grating ( EDG ) demultiplexer is presented .

其中一些方法为一般的方法，例如时域有限差分法（FDTD），它可应用于各种各样的光子晶体和衍射光栅器件中，但它的精度和有效性经常受到限制。

Some of these methods , such as the finite-difference time-domain ( FDTD ) method , are general methods that can be used to study various aspects of PhCs and diffraction gratings , but their accuracy and efficiency are often limited .

作为波分复用中最关键的器件，蚀刻衍射光栅（EDG）是平面波导密集波分复用器件中很有发展潜力的一种。

As the key device of a DWDM system , Etching Diffraction Grating ( EDO ) is one of the most potential types of planar waveguide DWDM devices .

像衍射光栅以及光子晶体（PhCs）这种具有周期结构的重要的光学器件可以用来控制和操作光线。

Periodic structures , such as diffraction gratings and photonic crys-tals ( PhCs ) are important optical components that can be used to control and manipulate light .

根据光谱分析仪设计的基本原理，设计出了三种实现方案：衍射光栅型、Fabry-Perot干涉仪型和Michelson干涉仪型。

And in succession , it introduces the rationale of the optical spectrum analyzer , and puts forward three schemes to carry out the project : diffraction raster type , Fabry-Perot interferometer type and Michelson interferometer type .

实验结果表明，在低功率密度条件下（0.005GW/cm2）光路中插入CSG衍射光栅后，光束近场调制度没有明显的增加，相对于光束本身的调制来说，由光栅带来的调制为细微的小量调制。

Experimental results show that no increase of beam near field percentage modulation is found when the CSG is put in the system under the low power density of 0.005GW / cm ~ 2 .

DVD、VCD以及CD播放机等设备的应用异常广泛，而激光读写头是这些设备的核心部件，衍射光栅又是激光读写头的重要组成部分。

DVD 、 VCD and CD player has been used more and more widely in our everyday life . Laser read-write head is the core part of these equipments , and diffraction grating is a very important component of laser read-write head .

介绍了单缝与衍射光栅CAI课件SG-CAI系统的功能与开发过程，并给出了TURBOPASCAL5.0图形程序设计与汉字处理方法。

In this paper , the function and developmental process of single slit and diffraction grating CAI Courseware SG-CAI System is provided , the graphics program design and the Chinese treatment method of Turbo Pascal 5.0 is also presented .

提出了一种新的制备光栅的方法，利用800nm的飞秒激光扫描蒸镀在石英玻璃衬底表面的金薄膜，通过烧蚀金薄膜在衬底表面形成衍射光栅。

A new method of inscribing diffraction gratings by using a focused near-IR 800 nm femtosecond laser ablating gold film on glass substrate was reported .

将Talbot效应与实验力学相结合，提出用斜入射的圆锥形扩散球面波通过衍射光栅产生的Talbot效应，测定板面曲率的剪切干涉云纹法。

Combining Talbot effect with experimental mechanics , this paper presents the principle , method and optical arrangement system about the diffraction and Talbot shearing interferometry with an oblique incidence spread spherical wave for determining curvature of a plate surface .

经衍射光栅组束，在注入电流40A时，最终得到24.1W的连续输出，斜效率为0.76W/A，组合效率约为70%。

The output power of 24.1W is obtained after beam combining at the injection current of 40A with slope efficiency of 0.76W/A and combining efficiency of about 70 % .

应用该方法能够准确地找到双衍射光栅位移传感器的零位，从而使杠杆位移传感器带来的非线性测量误差最大限度地减小。分析了计量型X-Y-Z三维工作台的结构及原理。

The iteration calibrating algorithm can find the zero position of the displacement sensor accurately , so the non-linear error caused by the lever-type stylus displacement sensor can be decreased farthest . A X-Y-Z metrological displacement platform is analysed .

凹（平）面衍射光栅稳定共振腔的近似分析

An approximate analysis on concave ( plane ) GRATING-MIRROR stable resonator

微型可编程衍射光栅的特性分析

Analyzing the Characteristics and Better Utilization of Micro Programmable Diffraction Grating

精密衍射光栅信号的椭圆拟合与细分校正算法

Ellipse Fit Algorithm and Subdivision Revision Method of Precision Diffraction Grating

用飞秒激光在透明介质体内形成衍射光栅

Fabrication of Internal Diffraction Gratings in Transparent Materials Using Femtosecond Laser

本文设计了一种一维准周期衍射光栅，理论计算结果表明该光栅的衍射频谱具有自相似性。

A kind of one - dimensional quasi-periodic grating is designed .

该方法对绝缘和金属构成的衍射光栅均有效。

The method performs equally well for dielectric or metallic gratings .

平场输入/输出蚀刻衍射光栅的设计

Design of an Etched Diffraction Grating with Flat-Field Input / Output