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.
在矢量衍射理論的基礎(chǔ)上 ,給出了偏振光、自然光照射的情況下 ,平面孔遠(yuǎn)場(chǎng)衍射的矢量描述 ,與標(biāo)量衍射理論進(jìn)行了比較 ,指出了標(biāo)量衍射理論的誤差及適用范圍 ;對(duì)于孔徑與波長(zhǎng)相當(dāng)?shù)奈⑿】椎拇蠼嵌妊苌?,標(biāo)量衍射理論存在一定的誤差 ,而必須采用矢量衍射理論。
The far-field diffraction pattern influenced by the error of mosaic compression gratings and diffraction wave aberration are theoretically calculated.
通過(guò)引入位移偏差、面內(nèi)角度偏差和波像差等物理量,借助遠(yuǎn)場(chǎng)衍射光強(qiáng)分布函數(shù)和Matlab程序?qū)蓪?duì)無(wú)像差的拼接子光柵的遠(yuǎn)場(chǎng)進(jìn)行了模擬計(jì)算,得出了遠(yuǎn)場(chǎng)衍射光斑隨拼接誤差的變化規(guī)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.
基于角反射器的幾何結(jié)構(gòu)模型,采用矢量形式的折反射定律,建立了在不同光束入射條件下,具有二面角和面形誤差的角反射器的出射光場(chǎng)的相位分布和遠(yuǎn)場(chǎng)衍射模式的數(shù)學(xué)模型。
Influence of Satellite Retroreflector Precision on Far-Field Diffraction Pattern
衛(wèi)星角反射器精度對(duì)遠(yuǎn)場(chǎng)衍射模式的影響
Analysis on the Characteristic of Far-field Diffraction in a Cylindrical Waveguide and the Measurement of Mode Field Diameter;
圓光波導(dǎo)遠(yuǎn)場(chǎng)衍射特性及模場(chǎng)直徑測(cè)量分析
We obtained a very simple result using the diaphragm edge length to describe the beam diffraction divergence.
用這個(gè)周界來(lái)描述遠(yuǎn)場(chǎng)衍射發(fā)散,得到的結(jié)果十分簡(jiǎn)單、直觀.
FAR-FIELD DISTRIBUTIONS OF INFRARED LASER BEAM PASSING THROUGH CASSEGRAIN SYSTEM
紅外激光束經(jīng)卡塞格倫系統(tǒng)衍射后的遠(yuǎn)場(chǎng)分布
And the results show that slice muscle tissue can make the incident laser beam generate obvious diffraction phenomena.
結(jié)果表明，激光束經(jīng)過(guò)肌肉組織后，能在遠(yuǎn)場(chǎng)處產(chǎn)生明顯的衍射條紋。
F-θ Lens and Its Application for Measuring the Diffractive Field Distribution in Fiber;
F-θ透鏡及其在光纖端面衍射遠(yuǎn)場(chǎng)分布測(cè)量中的應(yīng)用
The optical near-field distribution of nanometric apertures wasinvestigated using the finite-difference time-domain( FDTD) method.
掃描近場(chǎng)光學(xué)顯微鏡突破了傳統(tǒng)遠(yuǎn)場(chǎng)光學(xué)的衍射極限，能夠獲得超高光學(xué)分辨率。
Optical Vortices Generated by Three Pin-Holes Diffraction;
三個(gè)小孔的衍射場(chǎng)干涉生成光學(xué)渦旋
Self Similarity Analysis of Diffraction Field of Cantor F ractal Grating;
Cantor分形光柵衍射場(chǎng)的自相似性分析
To undergo or cause to undergo diffraction.
使衍射產(chǎn)生或?qū)е卵苌?/p>
Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture
較大孔徑薄聲透鏡聲場(chǎng)的瑞利─索末菲衍射公式
Optical Vortices: Generation Methods, Diffractive Properties and Applications;
光學(xué)渦旋場(chǎng)的產(chǎn)生方法、衍射特性及其應(yīng)用研究
The Propagation Characteristics of the Diffraction Field by a Circular Aperture of Bessel-Gauss Beam;
貝塞爾-高斯光束圓孔衍射場(chǎng)的傳播特性
DIFFRACTION FIELD INTENSITY DISTRIBUTION OF GAUSSIAN BEAM OF BASE MODEL AT NEARLY FOCAL PLANE OF LENS;
基模高斯光束在透鏡焦面上的衍射場(chǎng)強(qiáng)分布
Modeling and Calculating on the Diffraction Acoustic Field Originated from Underwater Flat Structure with Finite Impedance Surface
水下扁平阻抗結(jié)構(gòu)衍射聲場(chǎng)建模與計(jì)算(英文)
Magnetic-field-induced Diffraction Properties of Light by Water-based Magnetic Liquids
水基磁性液體的場(chǎng)誘導(dǎo)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
多色空間相干光經(jīng)環(huán)形光闌衍射后的近場(chǎng)研究
Analysis on the Fraunhofer diffraction of random distributed holes
隨機(jī)分布的多圓孔的夫瑯禾費(fèi)衍射場(chǎng)分布研究