全息术

具有原子分辨率的x射线荧光全息术的数值模拟研究

Numerical simulation study for atomic - resolution x-ray fluorescence holography

具有亚微米分辨率的软X射线全息术

Soft X - Ray Holography with Sub - Micrometer Resolution

X射线荧光全息术中入射能量对原子像的影响

Influence of Incident Energy on Reconstructed Atomic Images in X-Ray Fluorescence Holography

软X射线激光全息术及其计算机模拟仿真

Soft X-ray Laser Holography and its Computer Simulation

介绍了硬X射线全息术的工作原理及其发展。

The principle and development for two kinds of hard X-ray holography is presented in this paper .

X射线像面全息术

X - Ray Image Holography

硬X射线全息术

Hard X - ray Holography

软X射线激光全息术采用短波长X射线激光光源，从而可获得空间分辨率很高的三维全息图，但目前它还存在许多问题。

As short wavelength light source such as soft X-ray laser is employed in holography , it 's possible to generate 3D holograms with high spatial resolution .

提出了一种新的分辨率能达到10nm的X射线像面全息术。

A new method for taking X ray image holograms with tens nanometer resolution is proposed .

1948年，英国科学家DennisGabor发明了全息术并用物理手段在光域中得到了实现。

In 1948 , British scientist Dennis Gabor invented holography and implemented in optics by physical instrument .

随着近年来计算机技术迅速发展和CCD（Charge-CoupledDevice，电荷耦合器件）等高质量数字光敏元件的出现，近来对数字全息术研究工作逐渐增多。

With the fast development of computer technology and the invention of CCD ( Charged-coupled Device ), more and more research was put on digital holography .

相位恢复问题研究，对于天文、X射线相衬成像、衍射光学、波阵面重构和全息术等领域有重要意义。

The research of phase retrieval algorithm is important for many fields , such as astronomy , X ray phase contrast imaging , diffractive optic , holography , wave-front reconstruction and so on .

这种用4F系统的全息滤波记录方法，实质上是用全息术测量粒子场分布的层析法。

This method of holographic record by4F system is actually a holographic tomoanalysis of particle fields distribution .

基于光学外差扫描全息术3D成像的基本原理和编码孔径成像技术，设计了用于正在研制的近红外扫描全息光学层析成像系统中的编码孔径和解码孔径。

The coded aperture and decoded aperture used for the near-infrared optically tomographic imaging system of scanning holography are designed . The designing is based on the principle of optical heterodyne scanning holography and the technique of coded aperture imaging .

数字无透镜傅里叶变换全息术因其对CCD的空间分辨率要求低、能充分利用CCD有限的靶面尺寸，在微结构形貌、形变以及材料特性参数的测量方面具有独特的优势。

Digital lensless Fourier transform holography , permitting sufficient utilization of the limited sensor area of CCD , has more predominance in deformation analysis and shape measurement , then allowing to calculate a variety of material parameters of microcomponents .

根据罗曼Ⅲ型编码方法，提出了一种新的基于MATLAB的傅里叶计算全息术，用4f系统实现了计算全息图的光学再现，获得了理想的再现像。

A new Fourier transform computer-generated holography based on MATLAB was proposed using Lohmann ⅲ coding method . The CGH was reconstructed optically by a 4f system and perfect reconstructed image was gained .

本文报道以无透镜傅里叶全息术变换记录的全息光栅作掩膜，应用反应离子束入射角控制光栅闪耀角，选择了合适刻蚀工艺参数，制得衍射效率为67%的SiO2全息闪耀光栅。

The SiO2 holographic blazed grating with good quality and high diffraction efficiency have been developed by reactive ion beam etching and holographic grating mask made by lensless Fourier transform holography recording .

着重讨论了CCD参数对记录条件的限制，给出了数字全息术所能记录的物体的最大尺寸与记录距离之间的关系，指出用球面参考光波记录全息图可以更为有效地利用CCD的有限带宽。

The serious recording limitations due to the finite size and resolution of CCD are discussed detailedly . It 's shown that the setup for recording hologram with spherical reference wave can make full use of the spatial bandwidth of CCD .

无论是FZP还是CG光学扫描全息术，其系统的分辨率与它们的环数有关，当环数越多时，分辨率越高。

It was shown that either of the resolutions is concerned with its fringe numbers , the more the fringe number , the higher the resolution .

同轴无透镜傅里叶数字全息术能最大程度满足CCD对采样条件的要求，从而可以增大记录物体的尺寸，减小记录距离，明显提高再现像的清晰度和分辨率；

Coaxial lensless Fourier digital holography can satisfy the sampling condition of CCD maximumly to enlarge the size of the object and decrease the distance between the object and CCD , so the resolution and definition of the reconstructed image are improved expediently .

本文通过计算机仿真对FZP光学扫描全息术和CG光学扫描全息术的横向和纵向分辨率进行了比较。

The transverse and longitudinal resolution of the CG optical scanning holography system with that of the FZP optical scanning holography system was compared by the digital simulation .

用实时和二次曝光全息术，在全息图上引入参考条纹系，较方便地研究了KDP-水体系的扩散过程，并研究了KDP溶液的不同浓度和不同浓度差对扩散系数的影响。

The diffusion process for KDP & H_2O system and the influences of different concentrations and concentration gradients have been studied by using real-time and double-exposure holography with introducing of reference fringe system .

提出一种数字显微像面全息术（DMIPH）。

A digital microscopic image plane holography ( DMIPH ) is proposed .

由于激光再现的全息图失去了色调信息，1969年Benton提出二步彩虹全息术，在一定的条件下赋予全息图以鲜艳的色彩，形成激光记录、白光再现的第三代全息图。

Since the hologram reconstructed by laser loses the hue information , Benton produced two-step rainbow holography in 1969 , which gave the hologram vivid colors .

数字全息术以CCD等光电探测器件记录全息图，用数值方法再现全息图，它是综合光学全息原理和计算机技术、电子技术以及数字图像处理技术发展起来的一种新型全息成像技术。

Digital holography records holograms with solid-state imaging sensors ( CCD ), which integrates optical holography principle , computer technology , electronic technology and digital image resolution technology . With the digital holographic approach , holograms are directly recorded by a digital camera and reconstructed numerically .

本文概要地综述了Bi（12）SiO（20）（BSO）晶体的主要物理特性以及近几年来在实时全息术、斑纹干涉计量、光学信息处理等方面的应用和作者的一些实验结果。

Briefly presented are the main physical properties of photoconductive electrooptic Bi12BiO20 ( BSO ) crystals and their applications to real-time holography , speckle interferometry , optical information processing in recent years . Some of our new experimental results obtained are reported .

提出了菲涅耳波带板（FZP）无运动卷积全息术。

The holography of Fresnel-zone-plate ( FZP ) convolution without motion was proposed . The key of the technique is that the uniformly distributed source is used to make the FZP projects superposed on the object .

斑纹全息术天文高分辨率像复原实验

An Experiment in Astronomical High Resolution Image Reconstruction with Speckle Holography

旋转光楔多重全息术照相机测光电路分析

Rotating prism multiplex holography Analysis on Measuring Light Circuits for Cameras

功率谱噪声改正和斑点全息术象复原

Noise Correction in Power Spectrum and Image Reconstruction with Speckle Holography