To improve measurement accuracy of thin cylinder's diameter by optical diffraction, an improved model is established with recursive method, which is more accurate.
为了提高光学衍射法细圆柱体直径测量精度,用递归法建立了更精确的改进模型。
It utilizes the evanescent field confined at the tiny aperture for providing images of object surfaces with a resolution beyond the classical optical diffraction limit.
这种显微镜利用局限在微小孔径上的隐失场提供物体表面形貌的细节,其分辨率可突破传统光学的衍射极限。
An optic fiber grating diffraction screen is developed by use of optical diffraction. Combining with computer neural network, a vision system for recognizing stereo shape is developed.
利用光学衍射原理,研制成了光纤光栅衍射屏,并与计算机神经网络相结合,开发了一种识别立体形状的视觉系统。
Part I deals with the diffraction theory in the time -space domains and operator optical methods, as well as their applications to laser optics and high power laser technology.
全文分为二部分,第一部分研究时空域衍射理论和算子光学方法,及其在激光光学和强激光技术中的应用。
A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory.
根据傅立叶光学理论从光栅的衍射频谱中可以反推光栅本身的多种信息,包括其形貌特征。
Optical metallographic microscope, micro-hardness tester, electron microprobe and X-ray diffraction analysis were applied to explore the process of intermediate temperature tempering transformation.
利用光学金相显微镜、显微硬度计、电子探针及X射线衍射分析仪初步探索其中温回火转变过程。
Quasi-Optical Mode Converter is mainly adopted vector diffraction theory and Geometry optics theory, and the numerical results of complex reflector are analyzed.
准光模式变换器主要采用矢量绕射理论和几何光学理论,并结合两种理论设计复杂反射曲面。
However, for the actual optical system, its point image become a speckle because of diffraction of light and aberration.
对于实际光学系统,由于光的衍射和像差,使所成的点像为一弥散斑。
Employed by optical microscope, scanning electron microscope, microhardness tester and X ray diffraction instrument, the isothermal decomposition process of high nitrogen austenite was investigated.
利用光学显微镜、扫描电镜、显微硬度计及X射线衍射仪分析了高氮奥氏体的等温分解过程。
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 diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.
用衍射光学方法研究了加有多级相位菲涅尔波带片(MPFZP)的空间光调制器(SLM)的轴上衍射光强。
The propagation properties of the bottle beam were described based on geometrical optical theory, interferential theory and diffraction theory.
分析几何光学理论、干涉理论和衍射理论对局域空心光束传输特性的描述。
The relief structure of diffraction optical element can be written precisely but very slowly with the raster scan mode bye-beam.
用电子束逐行扫描方法刻蚀衍射光学元件的浮雕结构精度高而速度低。
It is proved in a complicated optical system that the diffraction integration in terms of ray matrix element is the right solution 'for paraxial equation.
对复杂光学系统证明了光线矩阵元表达的衍射积分是旁轴波动方程的准确解。
To resolve this problem, a free space transmission system for optical signals is developed on base of diffraction effect of acoustooptic crystal.
由于电信号传输系统保密性和抗干扰能力差,为此,利用声光晶体的衍射效应研制了一种光信号自由空间传输系统。
A novel digital information storage system for diffraction optical variable image devices is proposed.
研制了一种新型数字化衍射光变图像的存储系统。
Diffraction calculation is the basis of designing optical system of optical disk.
衍射计算是设计光盘光学系统的基础。
Based on the diffraction optical principle, a formula of the diffraction efficiency and etching depth error of the microlens is obtained.
基于衍射光学原理,获得了微透镜的衍射效率与蚀刻深度误差之间的关系式。
Starting from the diffraction integration in terms of ray matrix elements, the optical transfer functions have been derived for complicated optical system.
从光线矩阵元表达的衍射积分出发,导出了复杂光学系统的光学传递函数。
Coherent optical beam formation is a new wideband radio frequency beam-forming technology, which is based on optical interference, diffraction principle and optical Fourier transformation.
相干光学多波束形成技术是根据光学的干涉与衍射原理,利用光学傅里叶变换而实现的一种新型的宽带射频多波束形成技术。
The phase compositions and characteristics of glass-ceramics products were determined by the comprehensive methods such as optical microscopy, X-ray diffraction, physical and chemical properties test.
通过光学显微分析、X射线衍射分析、物理化学性能测试等手段确定了微晶玻璃的物相组成及性能特征。
The geometric law of energy conservation is utilized in designing diffraction optical component and evaluating the phase function of diffraction optical component with Gauss beams input.
为了获取长距离超细激光束,采用几何能量守恒法设计出一种衍射光学元件,推导出高斯光入射时衍射光学元件位相函数。
The propagation formula of the cross-spectral density of partially coherent flattened Gaussian Beam(PCFGB) through ABCD optical system was derived using Huygens-Fresnel diffraction integral formula.
利用惠更斯-菲涅尔衍射积分公式导出了部分相干平顶高斯光束(PCFGB)通过ABCD光学系统的传输公式。
The failure of the powder metallurgy valve seat was analyzed by optical microscopy, scanning electronic microscopy, X-ray energy spectrum and X-ray diffraction.
采用力学、物理性能测试,金相、扫描电镜、能谱和X衍射分析研究了气门座圈产品失效的主要原因。
It has several advantages such as high diffraction efficiency, simple optical setup and convenient operation.
这种光栅具有较高的光谱分辨本领和衍射效率,而且光路简单,调节方便。
The further investigations of the phenomenon of optical interface and diffraction are also facilitated.
便于对光的干涉和衍射现象进行深入的研究。
The further investigations of the phenomenon of optical interface and diffraction are also facilitated.
便于对光的干涉和衍射现象进行深入的研究。
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