认为光纤象面全息图可以获得较高衍射效率和分辨率,并对此进行了实验验证。
It is verified experimentally that higher diffraction efficiency and resolution can be obtained by optical fiber image plane hologram.
这是由于电子记录器件CCD的记录面积小,所记录数字全息图的分辨率低,这大大影响了再现像的质量。
This is because of the small recording area of the electronic record device (CCD), so the recorded digital hologram resolution is very low and the reconstruction image quality is affected greatly.
本文提出一种提高卷积法再现数字全息图的显示分辨率的新方法。
In this paper, a new method is proposed to solve the problem by investigating convolution reconstruction of digital holograms.
给出了全息图条纹对比度、记录介质的分辨率要求和可允许的微粒最大位移的普遍公式。
The universal formulae of the fringe visibility, film resolution requirement and maximum allowable displacement of a particle are given.
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.
作者针对全息图记录中低的CCD分辨率,合理地分析了实验条件,完成了应用CCD直接记录菲涅尔全息图的实验设计。
After analyzing the experiment, the author completes designing the experiment in which the Fresnel hologram is recorded with CCD.
作者针对全息图记录中低的CCD分辨率,合理地分析了实验条件,完成了应用CCD直接记录菲涅尔全息图的实验设计。
After analyzing the experiment, the author completes designing the experiment in which the Fresnel hologram is recorded with CCD.
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