A method of measuring visual acuity with holographic grating is described. The measurement may be performed with a slightly modified conventional ophthalmoscope.
本文概述了用全息位相光栅干涉法将原眼科用的裂缝灯稍做改进便能测定人眼视觉锐度的新技术。
In this paper the general theory and some experimental results of the electromagnetic surface wave excited by the holographic grating are described.
本文研究了应用全息光栅激励电磁表面波的一般理论与一些实验研究的结果。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
Based on discrete diffraction light, an algorithm of holographic grating bandwidth compression is proposed.
提出一种基于离散衍射光的全息光栅的带宽压缩算法。
Design of a dispersing system based on a multi channel detector and a flat field holographic concave grating.
采用平场凹面全息光栅和多通道检测器设计了一个小型的色散系统。
Furthermore, the paper offers the error limited of these parameters and they are good to guide practical fabrication of the volume phase holographic grating.
同时，本文还计算出了这几种参数的误差容限，这对体积相位全息光栅的实际制作具有指导作用。
A design method with globe optimization and reverse optimization was presented to achieve a flat-field holographic concave grating used for micro-spectrometer system.
研究了应用于微型光谱仪的平场全息凹面光栅的设计方法，提出了全局优化和反向优化的设计思想。
The technology to make a large area master with the grating of optically variable device (OVD) is role in holographic image embossing.
制作具有光变图像（OVD）光栅条纹的大面积全息原版，是激光图像无油墨印刷的核心技术之一。
The method is qualified for measurement of groove depth and duty cycle simultaneously for the rectangle-shaped or similar profile of holographic grating mask.
对于要求同时检测矩形或接近矩形槽形的全息光刻胶光栅掩模的槽深和占宽比，该方法完全适用。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
When irradiated by two-beams, the sample can set up refractive index grating, and the optical holographic storage was achieved.
而且样品在双相干光束作用下，可建立光折射率光栅，并实现了光全息存储。
Comparing this spectrograph to the one with a holographic concave grating on spherical surface, the former has a higher resolution than the latter has when the widths of the incident slits are same.
与采用相同口径、相同相对孔径的全息凹球面光栅构成的平场光谱仪比较，在入射狭缝宽度相同的情况下，该光栅所构成的平场光谱仪的分辨率得到明显提高。
A method which is based on Rowland mount and use ZEMAX software to design flat field holographic concave grating is given in this article.
介绍一种从罗兰圆结构出发，利用ZEMAX光学软件设计平场全息凹面光栅的方法。
A method which USES ZEMAX software to design, analyse and evaluate flat field holographic concave grating is given in the paper.
提出一种利用ZEMAX软件设计、分析评价平场全息凹面光栅的方法。
Based on the holographic concave grating theory and ZEMAX software, an aberration-corrected flat-field holographic concave grating on aspherical surface for a flat-field spectrograph is designed.
基于全息凹面光栅理论和ZEMAX软件，设计了一种用于平场光谱仪的消象差平场非球面全息凹面光栅。
During pattern formation like a holographic grating, the local temperature increase, especially in thin films, is up to date a subject of estimation from absorption and dissipation data.
在图案(如全息光栅)的形成过程中，由吸收和消耗的数据估计局部温度、特别是在薄膜中温度的上升已经成为当今研究的主题。
A method which use ZEMAX software to design flat field holographic concave grating is given in this article.
介绍利用ZEMAX软件设计平场全息凹面光栅方法。
In case of holographic recording, dynamic grating was recorded in the BR-D96N film, its characteristic parameter was not light exposure energy but light intensity.
BRD96N用于全息记录时形成的是动态光栅，其特征量为光强而非曝光能量。
Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.
聚合物单体由于光敏感性好、折射率调制度大和分辨率高等优点在全息聚合物光栅、光了晶体和光相位调制器等器件中得到广泛的应用。
The Angle spectrum analysis of self-image of double frequency grating is given. The grating duplication and the measurement of lens focus are obtained by Tablot effect of holographic phase grating.
本文给出了双频光栅自成象的角谱分析，并利用位相型的全息双频光栅的太保效应来进行复制光栅和测定透镜焦距等。
So it can possibly build a new kind of holographic grating printer with laser, computer and planar drive, as well as a servo system.
该系统有可能与激光器、计算机、平面驱动伺服系统一起构成一种全新的全息光栅图像制作系统。
A new method for making a thin silver halide phase holographic grating with an expectation phase modulation is proposed.
提出了一种制作具有预期位相调制度的卤化银乳胶位相型薄全息光栅的方法。
The material used for holographic grating, the cleaning of vaccum coating machine and the structure of the separator are also presented.
同时介绍了金息母光栅所用材料，镀膜机的清洗和分离器具的结构。
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。
The spectral resolution of the spectrometer will be seriously deteriorated by radius error which is inevitable in the flat-field holographic concave grating fabrication.
在平场凹面全息光栅的设计制作中，不可避免的存在曲率半径误差，严重影响光栅光谱仪的分辨率。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.
报道一种利用象差校正平场全息凹面衍射光栅作为分光和成象元件的平场多色仪，该多色仪具有谱面平直、使用波段宽、集光本领强、体积小等优点。
In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.
报道一种利用象差校正平场全息凹面衍射光栅作为分光和成象元件的平场多色仪，该多色仪具有谱面平直、使用波段宽、集光本领强、体积小等优点。
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