衍射光,diffraction beam
1)diffraction beam衍射光
1.Study on the modulation and wavelength property of thediffraction beams of IR-AOTF;红外AOTF调谐关系及其衍射光波长特性研究
英文短句/例句
1.diffraction optics head-up bisplay衍射光学平视显示器
2.Effect of Incident Angle on Diffraction Efficiency of a Two-Layer Diffractive Optical Element入射角对双层衍射光学元件衍射效率的影响
3.The Computer Analogy and Analysis of PlaneDiffraction Patterns of Diffraction Grating;平面衍射光栅衍射图样的计算机模拟分析
4.Diffractive-refractive method for design of diffractive optical elements for uniform illumination衍折射设计用于均匀照明的衍射光学器件
5.Design and Diffraction Efficiency of a Multi-Layer Diffractive Optical Element多层衍射光学元件设计原理与衍射效率的研究
6.The light is emitted by the laser diode and enters a diffraction grating.激光束从激光二极管中发出，射入衍射光栅。
7.Study on Fabrication of Diffract-optical Filters by Using Multi-beams Holographic-interference;多光束干涉全息法制作衍射光学元件
8.Design of Laser Diffraction Grating Testing Instrument Based on SPCE061A基于SPCE061A的激光衍射光栅测试仪设计
9.Design of Diffractive Optical Elements for Laser Beam Shaping用于激光光束整形的衍射光学元件设计
10.Similar considerations apply to the diffracted rays.对衍射光线可采用同样的论证。
11.Design of diffractive optical element for beam smoothing in Fresnel diffraction region菲涅耳区衍射光学束匀滑器件的设计
12.The Fabrication of the Diffractive Optics with a Spherical Surface;曲面基底衍射光学元件加工工艺研究
13.x ray photoemission diffractionx射线光电发射衍射
14.nondiffraction X-ray spectrometer非衍射x射线光谱仪
15.Research on Bragg diffraction-based multi-frequency acoustooptic diffraction effects基于Bragg衍射的多频声光衍射效应研究
16.smooth-earth diffraction theory光滑地球表面衍射理论
17.Diffraction, too, occurs in light waves.衍射也是由光波产生。
18.Analysis of the spectral line width on grating diffraction experiment对光栅衍射实验中衍射条纹宽度的分析
相关短句/例句
grating diffraction光栅衍射
parison of amplitude vector method and half-wave spectrum method to analyzegrating diffraction;振幅矢量法与半波带法分析光栅衍射的比较
2.Analyses ofgrating diffraction bycomputer simulation;光栅衍射现象的计算机仿真分析
3.Testifying secondary maximum among slits interference item ofgrating diffraction is symmetrical with Fresnel Zone Plate Method;光栅衍射缝间干涉因子次极大强度对称性的菲涅耳半波带法证明
3)Diffraction grating衍射光栅
1.Study of the photoelectric ruling control on the fabricating of the high density diffraction grating;制作高密度衍射光栅的光电式刻划控制的研究
2.Super-fine Diamond Tools for Ruling Diffraction Gratings;超精密金刚石刀具──衍射光栅刻划刀
3.The second kind angular dispersion and the analysis of characteristics of diffraction grating;衍射光栅的第二类角色散及其特性分析
4)laser diffraction激光衍射
1.Simulation research for particle shape measurement withlaser diffraction;激光衍射法测试颗粒形状的模拟
D Measuring System for Wire Diameter by Laser Diffraction;激光衍射 CCD 测径系统
3.Improvement of the method oflaser diffraction measuring light-guiding fiber diameter;激光衍射测量光导纤维直径方法的改进
5)XRDX光衍射
1.XRD,SEM and hysteresis loop were measured to investigate and study the relationship between structure,microstructure and ferroelectric properties of Barium Titanate ceramics.应用X光衍射谱、扫描电子显微镜以及电滞回线测量调查和研究所制备的钛酸钡陶瓷片的结构、微结构和铁电性质的关系,为未来铁电存储器材料的进一步开发和应用打下实验和技术基础。
2.XRD, SEM, temperature and frequency dependence of dielectric constant, and hysteresis loop were measured to investigate and study structure, microstructure, dielectric and ferroelectric properties of Barium Titanate dielectric ceramics.应用X光衍射谱、扫描电子显微镜、介电率的温度与频率依存关系以及电滞回线测量,调查和研究所制备的钛酸钡陶瓷的结构、微结构、介电和铁电性质。
3.At the same time, the quality of the ZnO thin film is characterized byXRD and photo luminescence spectrum before and after annealed.用等离子体辅助MOCVD法在蓝宝石 (α Al2 O3)上生长了ZnO薄膜 ,测试了其退火和未退火薄膜的电阻率、电子浓度、迁移率、激光阈值 ,并通过X光衍射、光致发光方法表征了ZnO薄膜的质量 ,其结果是 :退火薄膜的电子浓度低达 10 15/cm3 量级、激光阈值降低近 30倍、X光衍射峰半高宽是 0 。
6)non-diffracting beam无衍射光
1.A coaxial measuring system for a hole usingnon-diffracting beam;以无衍射光为基准的内孔同轴度测量仪
2.Generation of short pulse and high powernon-diffracting beam by active and passive schemes based on axicon;基于轴棱锥用主被动方式产生短脉冲高功率近似无衍射光
3.Study on property of central spot ofnon-diffracting beams;无衍射光束中心光斑的特性研究
延伸阅读
衍射光栅衍射光栅diffractiongrating能等宽等间隔地分割入射波前的、具有空间周期性结构的光学元件。常作为色散元件来分离不同波长的谱线。光栅分透射光栅和反射光栅两类。透射光栅按透射率函数的不同可分为普通的矩形透射率光栅和正弦光栅两种。闪耀光栅是反射光栅的一种，有较高的能量利用率，凹面反射光栅能自动聚焦成像。根据制作方法的不同，可分划线光栅、复制光栅和全息光栅3种。所有光栅的基本原理均相同。以平面透射光栅为例，在平板玻璃上用金刚石刻刀刻划等宽等间距的平行刻线，未刻部分能透光，刻划部分因漫反射而不透光，这等效于大量等宽等间距的平行狭缝。设缝宽为a，不透光部分宽度为b，则相邻两缝的间距d＝a＋b称光栅常数。是光栅的重要参量。光栅的实验装置如图1，单色缝光源与光栅的狭缝平行，放置在透镜L1的物方焦面内，从L1射出的平行光垂直入射到光栅上，光栅的每条狭缝都将产生单缝衍射，衍射角为θ的所有衍射光被透镜L2会聚于幕上的P处，相干叠加的结果决定了P处的总光强。幕上干涉主极大的位置由下述光栅方程给定：dsinθ＝kλ(k＝0±1，±2，……)整数k称干涉级，λ为波长。不同波长的主极大位置不同，故光源为复色光时，不同波长成分的主极大彼此分离而成光谱，称光栅光谱。各级主极大的强度要受到单缝衍射的限制，级次愈高强度愈弱，但不同谱线分得愈开，如图2所示。图中虚线表示单缝衍射的分布曲线。注意到所有波长的零级干涉主极大均重合在一起，并落在单缝衍射的中央极大处，无色散的零级主极大占了大部分能量，能量利用率较低。反射式闪耀光栅可把衍射中央极大闪耀到某一级光谱处，大大提高了能量利用率。图1图2波长差相差一个单位的两谱线分开的角间距称为光栅的角色散率，用来描述光栅分开谱线的能力，它由下式给出：
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