衍射光栅
- 网络Diffraction grating;Edg;Grating Diffraction
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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
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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 .
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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
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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
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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
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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 .
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InP和InGaAsP晶体上衍射光栅的刻制技术
Etching Technique of Diffraction Gratings in InP and InGaAsP
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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 .
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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 .
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 % .
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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 .
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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
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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
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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
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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
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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 .
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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 .
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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