大景深反射全息图的理论和实验开拓。
The theoretical and experimental development of large scene depth reflection hologram.
讨论了倾斜条纹反射全息光栅的波长特性。
The property of peak wavelength of slanted reflection hologram grating was discussed.
本文利用反射全息方法拍摄时间平均干涉全息图。
By use of the method of reflected holography time-average holography can be made.
传输反射全息图。
实验中制作出了高衍射效率和信噪比的体积全息光栅和反射全息图。
The holographic volume gratings and reflection holograms having high diffraction efficiencies and signal noise ratio are also fabricated in experiment.
基于这种新看法的计算机模拟给出了非常好的反射全息图的衍射光谱。
Very good diffraction spectra were obtained from the new model based computer simulations.
银盐全息干版的乳胶收缩将导致其记录的反射全息图再现光的波长漂移。
Drift of reconstructing wavelength of volume holograms may occur because of the emulsion shrink of silver salt holographic plate.
用重铬酸盐明胶介质记录了用于飞机平视显示器的平面离轴反射全息目视显示元件。
Off-axial reflection holographic visual display elements which records in dichromated gelatin (DCG) deposited on planar substrate of glass has been developed for pilot head-up display (HUD).
实验表明,反射全息图的衍射光谱呈现出明显的非对称性,并伴随着一系列次峰的出现。
The experiments has shown that the spectrum of reflection hologram presents obvious non-symmetry, and is accompanied with a series of sub-peaks.
总结出拍摄反射全息的条件,并能了解全息照相与普通照相的区别,以及全息照相的应用及开拓。
The paper summarizes the reflect holographic condition and finds out the difference between the holographic picture and the common picture, along with the application of hologram.
根据耦合波理论,从描述反射全息的非线性微分方程出发,对反射全息图的振幅反射系数进行了分析。
According to coupled wave theory, and from the non-linear differential equation describing characteristics of reflection hologram, the reflective coefficient of reflection hologram is analyzed.
提出了一种摄制全视场彩虹—反射全息图的简单方法。通过在被记录物体的侧后方放置一反射镜来完成全视场记录。
A simple method is proposed for obtaining full field-of-view rainbow reflection holograms in which a reflector is located at the back side of the object.
这种轻触型工具播放的近距离图像是在0.4英寸的微小型显示器上反射的激光形成的,使用全息摄影术以保持图画尽管在投影尖角上依然聚焦。
The Light Touch casts a big image from up close by bouncing lasers off a 0.4-inch microdisplay, using techniques from holography to keep the picture in focus despite the sharp projection angle.
本文讨论了彩虹全息的反射显示方法。
A reflection display method of rainbow holograms is discussed.
通过从来自一个特殊设计的全息图(这里用彩色圆圈来表示)的激光光束的反射,物理学家创造了(用彩色结来表示)暗丝结。
By reflecting a laser beam from a specially designed hologram (shown here as the colored circle), physicists created knots of dark filaments (represented by the colored knot).
正确选取全息片的偏置透射率,可使反射显示的衍射效率接近或略高于透射显示的衍射效率。
A properly choiced bias transmittance of the hologram can lead to a diffraction efficiency close to or a little higher than that of transmission reconstruction.
透射全息图不仅可以透射再现,而且可以反射再现。
A transmission hologram can be reconstructed by both transmission and reflection.
基于D—L全息图原理制作的全息反射滤光片,其性能与多种因素有关。
Many factors are responsible for the properties of the holographic reflective filters, which are made according to the principle of D-L Hologram.
反射式全息滤光片具有很好的滤光特性,可作为一种激光防护元件。
The reflection holographic filter has ideal filtering property, and can be well used as a kind of elements for eye protection against laser.
通过此公式对反射式全息图的衍射率估算,可有效地提高制作高衍射率反射式全息图的成功率。
The formula can be used to measure the diffraction efficiency of reflection hologram and offer a strong means for studying the diffraction efficiency of reflection hologram.
激光全息摄影是一种能够记录景物反射光的振幅和相位信息的立体摄影技术。
Laser holography is a kind of three-dimensional photographic technique to record the scene reflected light amplitude and phase information.
在本文,我们提出一种用非局域聚合法修正过的分散模式,描述反射式全息聚合物散射型液晶的形成。
In this paper, a modified diffusion model with a non-local polymerization term is proposed to describe the formation of reflective holographic polymer-dispersed liquid crystals.
在这一静态全息技术中,光由三维物体反射或发射,在通过空间光调制器(SLM)后,用数码相机记录。
In this motionless holographic technique, light is reflected, or emitted from a 3d object, propagates through a spatial light modulator (SLM), and is recorded by a digital camera.
对用预置狭缝法和带平面反射镜的预置狭缝法制作的彩虹全息图的视角问题作了详细的讨论。
The view Angle of rainbow holograms which are recorded using a pre existent slit or a pre existent slit with mirrors is analyzed in detail.
我们优化了全息高分子分散型液晶(HPDLC)彩色反射式显示器的材料及制作过程,成功地研制出高反射率的快速响应HPDLC。
We have carried out experiments to optimize the materials and processes for fabricating holographically formed polymer dispersed liquid crystal (HPDLC)devices.
本文论述一种一束光反射式全息干涉方法。
This article presents a new method of reflected holographic interferometry using a single beam.
在随机光栅点阵(漫反射)区域上制作条形码或与激光全息防伪标识共同使用,可实现综合防伪。
A bar code is made in the random grating lattice (diffuse reflection) area or to use together with the laser holographic anti-counterfeiting label to realize comprehensive anti-counterfeiting.
在随机光栅点阵(漫反射)区域上制作条形码或与激光全息防伪标识共同使用,可实现综合防伪。
A bar code is made in the random grating lattice (diffuse reflection) area or to use together with the laser holographic anti-counterfeiting label to realize comprehensive anti-counterfeiting.
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