far field diffraction

Based on the vector diffraction theory, the vector description of the far field diffraction at a plane aperture is derived, the comparison between the vector theory and the scalar theory is made, and the error and applicability of scalar diffraction theory is presented.

在矢量衍射理论的基础上 ,给出了偏振光、自然光照射的情况下 ,平面孔远场衍射的矢量描述 ,与标量衍射理论进行了比较 ,指出了标量衍射理论的误差及适用范围 ;对于孔径与波长相当的微小孔的大角度衍射 ,标量衍射理论存在一定的误差 ,而必须采用矢量衍射理论。

The far-field diffraction pattern influenced by the error of mosaic compression gratings and diffraction wave aberration are theoretically calculated.

通过引入位移偏差、面内角度偏差和波像差等物理量,借助远场衍射光强分布函数和Matlab程序对两对无像差的拼接子光栅的远场进行了模拟计算,得出了远场衍射光斑随拼接误差的变化规律和拼接精度。

Based on geometrical structure of retroreflector and vector form of reflection-refraction law,mathematical models with phase distribution of returned beam,and far-field diffraction pattern(FFDP) are built up for retroreflector with dihedral angle error and flatness error.

基于角反射器的几何结构模型,采用矢量形式的折反射定律,建立了在不同光束入射条件下,具有二面角和面形误差的角反射器的出射光场的相位分布和远场衍射模式的数学模型。

Influence of Satellite Retroreflector Precision on Far-Field Diffraction Pattern

卫星角反射器精度对远场衍射模式的影响

Analysis on the Characteristic of Far-field Diffraction in a Cylindrical Waveguide and the Measurement of Mode Field Diameter;

圆光波导远场衍射特性及模场直径测量分析

We obtained a very simple result using the diaphragm edge length to describe the beam diffraction divergence.

用这个周界来描述远场衍射发散,得到的结果十分简单、直观.

FAR-FIELD DISTRIBUTIONS OF INFRARED LASER BEAM PASSING THROUGH CASSEGRAIN SYSTEM

红外激光束经卡塞格伦系统衍射后的远场分布

And the results show that slice muscle tissue can make the incident laser beam generate obvious diffraction phenomena.

结果表明，激光束经过肌肉组织后，能在远场处产生明显的衍射条纹。

F-θ Lens and Its Application for Measuring the Diffractive Field Distribution in Fiber;

F-θ透镜及其在光纤端面衍射远场分布测量中的应用

The optical near-field distribution of nanometric apertures wasinvestigated using the finite-difference time-domain( FDTD) method.

扫描近场光学显微镜突破了传统远场光学的衍射极限，能够获得超高光学分辨率。

Optical Vortices Generated by Three Pin-Holes Diffraction;

三个小孔的衍射场干涉生成光学涡旋

Self Similarity Analysis of Diffraction Field of Cantor F ractal Grating;

Cantor分形光栅衍射场的自相似性分析

To undergo or cause to undergo diffraction.

使衍射产生或导致衍射

Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture

较大孔径薄声透镜声场的瑞利─索末菲衍射公式

Optical Vortices: Generation Methods, Diffractive Properties and Applications;

光学涡旋场的产生方法、衍射特性及其应用研究

The Propagation Characteristics of the Diffraction Field by a Circular Aperture of Bessel-Gauss Beam;

贝塞尔-高斯光束圆孔衍射场的传播特性

DIFFRACTION FIELD INTENSITY DISTRIBUTION OF GAUSSIAN BEAM OF BASE MODEL AT NEARLY FOCAL PLANE OF LENS;

基模高斯光束在透镜焦面上的衍射场强分布

Modeling and Calculating on the Diffraction Acoustic Field Originated from Underwater Flat Structure with Finite Impedance Surface

水下扁平阻抗结构衍射声场建模与计算(英文)

Magnetic-field-induced Diffraction Properties of Light by Water-based Magnetic Liquids

水基磁性液体的场诱导光衍射特性的研究

Spectral Anomalies of the Polychromatic,Spatially Coherent Light Diffracted by an Annular Aperture in the Near Field

多色空间相干光经环形光阑衍射后的近场研究

Analysis on the Fraunhofer diffraction of random distributed holes

随机分布的多圆孔的夫琅禾费衍射场分布研究