Numerical study on zero-order diffraction characteristics of submicron gratings;
亚微米光栅零级衍射特性的数值研究
The subtraction method of joint power spectrum of reference object and target object from the power spectrum of reference object can smooth down the zero-order diffraction and improve the recognition ability of joint transform correlator.
联合变换相关器的零级衍射光斑会影响相关峰探测。
In this paper,a method of holographic grating with multiorder diffraction made by using Mach Zehnder interferometer in two steps is presented.
提出用 Mach- Zehnder干涉仪两步记录制作具有多级衍射的全息光栅方法。
The finiteness of diffractive order of the phase grating and the relations between the diffractive orders and the incident angle are discussed by means of the vector diffraction theory.
用矢量衍射理论讨论了位相光栅衍射级次的有限性及其与入射角的关系，得出的结论与用光程方法得出的结果一致，作出了在不同入射角条件下各衍射级次的分布图，给出了求解各级衍射波方向的公式。
Through calculating the second diffractive efficiency,analyzed the second diffraction disturbance to the spectrograph and provided the method to suppress the disturbance.
通过计算光栅的二级衍射光谱,对二级光谱对光谱仪分光的干扰进行分析,并提出了相应的抑制措施。
The greater the number of diffracted orders that gain admittance to the objective, the more accurately the image will represent the original object.
进入物镜的衍射级越大，其物镜所成像对物体再现的像的精度越高。
If alternate diffracted orders are blocked out (still assuming the grating as our specimen), the number of lines in grating would appear doubled (a spurious resolution).
假如交替地遮挡衍射级（仍假设为光栅标本），线性光栅的数量会成双数（伪分辨率）。
Study on Correcting Secondary Spuctrum of Diffactive/Refractive Hybrid Optical System;
衍/折射光学系统消二级光谱的研究
ANALYSIS AND STUDY OF MISSING ORDERS PHENOMENON IN THE MULTI-SLIT FRAUNHOFER DIFFRACTION
多缝夫琅禾费衍射缺级现象分析研究
The Research on "Nondiffracting" Quality of Zero-order Bessel Beams and Its Application;
零级贝塞尔光束的“无衍射”特性及其应用研究
Kilowatt High Power Heat Capacity Laser with 3 Times Diffraction Limit
千瓦级3倍衍射极限的高功率热容激光器
The Convex Grating Diffractive Efficiency Calculating and Second Diffraction Suppression
凸面光栅的衍射效率计算及其二级光谱抑制
To undergo or cause to undergo diffraction.
使衍射产生或导致衍射
x ray photoemission diffraction
x射线光电发射衍射
The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2A°/mm in the first order.
光谱仪用了一块凹面衍射光栅，第一级光谱的色散度为4．2埃／毫米。
Calculation and application of zero order optical diffraction efficiancy for ultrasonic standing wava Bragg modulator
超声驻波布喇格调制器零级光衍射效率的计算及其应用
X-ray Diffractive analysis of Crystal Structure ?
X-射线衍射晶体分析
single crystal X-ray diffractometer
单晶体x射线衍射仪
nondiffraction X-ray spectrometer
非衍射x射线光谱仪
X-ray diffraction pattern computer
X射线衍射图谱计算机
circular X-ray diffraction camera
圆形X射线衍射照相机
energy dispersive X-ray diffractometer
能量扩散X射线衍射仪
X-ray diffraction micrography
Ｘ射线衍射显微照片