The essence of two kinds of diffractive process is spatial Fourier transformation.
两种衍射过程的实质是空间傅里叶变换。
The study of plane pure-phase equi-width ring diffractive optical lenses is reported.
报道二维纯位相环带衍射光学透镜的研究。
The excipient of the drugs did not interfere with the main specific diffractive peaks.
制剂中的辅料不干扰对主要特征衍射峰的判断；
Four kinds of laser source are used to measure the diffractive efficiency of Fresnel lens.
使用四种不同光源，对菲涅耳透镜的衍射效率进行测试。
There have been rapid developments in the research of diffractive optics for the past decade.
衍射光学是近年来光学领域中最具活力的研究方向之一。
It is pointed out that the linewidth error has very large effect of BOEs diffractive efficiency.
指出线宽误差对二元光学元件衍射效率影响较大。
Cascaded systems based on diffractive optical elements for optical image encryption are presented.
提出基于衍射光学器件的光学图像级联加密系统。
Cascaded systems for optical image encryption based on diffractive optical elements are presented.
提出基于衍射光学器件的光学图像级联加密系统。
Diffractive efficiency of Fresnel lens is important factor to evaluate the quality of Fresnel lens.
菲涅耳透镜的衍射效率是评价菲涅耳透镜质量的一个重要指标。
Diffractive-optical element, scanning optical system, optical scanner, and image forming apparatus.
光学衍射元件，光学扫描系统，光扫描器和图像形成装置。
The analytical integral solutions for the amplitude the transmissive and diffractive waves are presented.
给出了透射波和衍射波振幅的解析表达式。
Have analyzed and calculated the diffractive efficiency of the convex grating used in the hyper spectral imager.
对超光谱成像仪使用的凸面光栅衍射效率进行了分析计算。
The process is a purely diffractive process since no quantum numbers exchange between the two colliding particles.
由于两个碰撞粒子之间没有量子数的交换，因此该过程是一个单纯的绕射过程。
The exponential gain coefficient , diffractive efficiency , phase conjugate reflectivity and the response time were measured.
测试了晶体的指教增益系数、衍射效率、相位共轭反射率和响应时间等光折变性能。
Placing a diffractive optical element(DOE) on the incident laser beam to improve the depth of focus, the DOE'S aperture is variable.
在入射光束的孔径受限制的情况下，利用衍射光学元件来增加激光束的焦深。
The introduction of binary optical elements, theory of diffractive lenses, fabrication of binary optical elements and trends are related.
本文介绍了二元光学元件的概况，衍射透镜理论，二元光学元件的制造方法以及发展趋势。
The exponential gain, the diffractive efficiency, the response time, photoconduction and signal to noise ratio or the crystals were measured.
测试晶体的指数增益系数、衍射效率、响应时间、光电导和信噪比。
With the techniques and elements of diffractive optics, it is now feasible to break the diffraction limit and achieve optical superresolution.
利用衍射光学的技术与器件，能够突破受限于衍射极限的分辨率，实现光学超分辨。
The experimental method used to form doughnut laser trap through axicons and by extracting high order diffractive light component is introduced.
介绍了用锥镜法和取高级衍射光斑法来实现空心光阱的实验方法。
The process was controllable and could be applied to strip the photoresist residual of diffractive optical element fabricated on the thick substrate.
该工艺具有良好的可控性，解决了在厚基片上制作大口径衍射光学元件时残余光刻胶的去除问题。
A linewidth stabilizing method for defocusing laser direct writing is proposed for further improvement of line quality of diffractive optical elements.
为了提高激光直写加工衍射光学元件时的线条质量，提出一种离焦激光直写的线宽稳定方法。
According to Kirchhoff's scalar diffraction theory, with the ray tracing method, a continuous relief mask for diffractive focus lens has been designed.
基于基尔霍夫标量衍射理论，采用光线追迹法设计了连续型平面衍射聚光透镜掩模。
The existence and overlapping phenomena of spatial expanding components have been discovered and investigated in designing diffractive optical elements.
发现并研究了衍射光学器件优化设计中空间延拓分量的存在及其交叠现象。
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该方法在现有衍射透镜加工设备分辨率条件下，可提高衍射透镜的衍射效率，增大衍射透镜的数值孔径。
From the characteristic of harmonic relief patterns, the a thermalization and achromatism of harmonic diffractive element have been studied in the paper.
从谐衍射元件的理论出发，讨论了谐衍射透镜在消色差和消热差时的特性。
A numerical model is presented that predicts the transformation of monochromatic wave over complex bathymetry, includes both refractive and diffractive effects.
本文给出一个在复杂水深地形条件下计算包括折射和绕射效应的线性波浪变形数学模型。
In an amplitude grating system of small grid pitch, the diffractive light is the main cause to deteriorate the contrast and sinusoidal property of Moiré signals.
在国内外普遍使用的细栅距幅光栅叠栅条纹系统中，衍射效应是很明显的，这是造成叠栅条纹信号的衬比（度）和正弦性不好的主要原因。
The diffractive efficiency of the grating is computed by using rigorous coupled-wave analysis (RCWA). The property of polarization of the grating is also discussed.
采用严格耦合波分析(RCWA)理论计算了这种一维深亚波长光栅的衍射效率，分析了它的偏振特性。
Laser direct writing system is the key equipment for fabrication of optical diffractive elements, and the defocus detection technique is the important sub-tech in it.
激光直写机是制作衍射光学元件的关键设备，离焦检测技术是其中的重要单元技术之一。
Laser direct writing system is the key equipment for fabrication of optical diffractive elements, and the defocus detection technique is the important sub-tech in it.
激光直写机是制作衍射光学元件的关键设备，离焦检测技术是其中的重要单元技术之一。
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