光栅常数

光栅常数对向列相液晶响应特性的影响一种新型液晶垂直取向膜

Influence of grating constant on response characteristics in nematic liquid crystals

测量光栅常数和波长的一种新方法

A New Method of Measuring the Grating Constant and the Wave Length

CCD用于全息光栅常数实时测量研究

Study on using CCD in real-time measurement of hologram grating constant

一种基于CCD的实时测量光栅常数的方法

A New Method Based on CCD to Measure the Constant of Grating

光栅常数非垂直入射测量法

Measurement of grating constant under non - vertical incidence

光栅常数测量中常易忽略的一个问题

An Easy Neglectful Question in Measuring Grating Constant

应用扫描隧道显微镜精确测量光栅常数

Precisely measure grating constant by applying STM

光栅常数测定的一种方法

A method for determining grating constant

当光栅常数为600line/mm时，其第5级为最佳闪耀级次。

When grating constant is 600 line / mm , the fifth order of grating is optimal .

实验表明，振幅测量分辨率可达光栅常数的二十分之一以上。

The experiment shows , the resolving power of amplitude could surpass the one twentieth of grating constant .

光栅常数是检验光栅质量的重要参数之一。

The constant of grating is one of the most important parameters to assess the quality of grating .

其方法可实现高精度、全自动在线测量全息光栅常数，比传统的测量优越。

In preference to the traditional method , the method can precisely and full-automatically measure the hologram grating constant in-line .

进一步分析得到，衍射条纹的间隔不仅与光栅常数有关，而且与入射角有关。

We analysis further that the interval of the diffraction stripe is not only related to the grating constant , but also to the incident angle .

然而在用分光计测量光栅常数时，入射光必须垂直入射到光栅平面上，否则将会对测量结果产生误差。

However , in the case of measuring the grating constant by a spectrometer , the light of incidence should be vertical to the plane of grating to ensure the accuracy of measurement .

本文讨论光栅常数测量中，平行光不垂直入射光栅时如何对测量值的影响及如何调节平行光垂直入射光栅。

This paper discuss how to measure and calculate when a parallel light doesn 't incide grating vertically in measuring grating constant and how to adjust a parallel light to incide grating vertically .

第五，对全息曝光系统的特点、光栅常数的精确控制方法、曝光与显影过程中常见的问题和离子束刻蚀工艺等方面的具体问题做了研究，并制作了全息&离子束刻蚀光栅。

Fifthly , deep study to the properties , the accurate method of controlling the grating constant , common problems during the process of exposure and development , and special problems of the ion-beam etching technics were made on the holographic gratings .

实验发现，在光栅常数较小时，光致电荷在扩散和漂移机制作用下能够很快移动到暗区形成空间电荷场，相位光栅响应较快；

In case of the smaller grating constant , the photogenerated charges tend to more easily move to the dark zones by diffusion and drift , and are trapped by defects so that a spaced-charge field can be established within the faster response time .

得出了这样的结果：在通常的实验所采用的波长和光栅常数情况下，一般光栅玻璃两表面不平行带来的误差低于分光仪度盘的最小读数值；

They get the results : under the constants of grating and the wave lengths that used in the usual experiments , the error caused by the non-parallel of the two surfaces of grating glass is less than the smallest reading value of the spectrometer ;

文中提出了两种利用放大原理测量全息光栅光栅常数的简单方法：扩束镜放大成像法和凸透镜放大成像法。

Two kind of simple methods , which are termed of extender lens amplification imaging method and convex lens amplification imaging method , are proposed based on amplification principle in this paper .

探讨全息照相光栅的光栅常数用测量显微镜、测角仪、夫琅和费衍射三种方法测量的特点与适用范围。

He characterists and available limits of three measuring methods , measuring microscope ( comparator ), spectrometer ( goniometer ) and Frauhofer diffraction , of holograph grating constant are discussed .

一维周期光栅的菲涅耳衍射研究及光栅常数的测试

The research of the fresnel diffraction of one-dimensional periodic grating and the measure of the grating constant

利用分光计和光栅测量光波波长（或光栅常数）的实验中，通常采用“垂直入射法”。

Vertical-incidence method is usually adopted in the experiment to measure light wavelength ( or grating constant ) by using spectrometer and grating .

传统的闪耀光栅一经制出，其光栅常数以及对某一波长的光的折射率等参数也就确定了，其闪耀角等参数也就被唯一地确定下来。

The parameters like grating constant , blazing angle and the refractive index for one certain wavelength of the conventional blazed gratings can not be changed when they have been made .

本文讨论了在制造全息光栅过程中，CCD实时测量全息光栅常数的方法。

The method of using CCD to measure the constant of hologram grating in real-time when the grating is under manufacturing is discussed .

本文给出利用He－Ne激光束通过光栅所产生的夫琅和费衍射，测定光栅常数的一种简便方法。

His article presents a simple way of measuring grating constant under the use of He-Ne laser beam throuth the Fraunhofer diffraction of grating .

文中讨论激光多普勒技术的双相检测辨向方法，计算了单周期矩形相位光栅的衍射光强分布，比较了光栅常数相同的矩形相位光栅和振幅光栅的衍射效率。

A direction discrimination technique for laser Doppler measurements , called two-phase detecting , is discussed . The intensity distribution of the single-period rectangular phase grating diffraction pattern is calculated . The diffraction efficiency of a phase grating is compared with that of an amplitude grating with same grating constant .

利用控制模块控制导电区的通断电，使液晶光栅不同区域的透光与不透光，实现光栅常数的转变，成为一种电控常数的新型液晶光栅。

Passes the power failure using the control module control electric conduction area , causes the liquid crystal diffraction grating different region to be diaphanous and lightproof , realize the transformation of grating constant , become a kind of new-style drive-by-wire constant liquid crystal grating .

采用平面闪耀光栅作为光谱元件的远红外光谱测量原理，分析了四种主要的重复性误差：光栅常数制造误差、零点标定误差、转角测量误差、入射光束与衍射光束的夹角测量误差。

Four main repeatability errors , i. e grating constant error , zero point scaling error , measuring error for turn angle and measuring error for angle between incident light and diffraction light are analyzed according to the measuring principle using plane glare grating as spectral elements of far-infrared spectrometer .

位移偏差引入的相位随着拼接光栅压缩器传递，其对远场焦斑的影响，取决于每片子光栅的非整数倍光栅常数的横向位移偏差和纵向位移偏差的综合作用。

The phase difference caused by piston error translated with the tiled-grating compressor , the focal spot was affected by both non-integral number of grating space and out-of-plane piston error .

基于傅里叶光学的知识，分别对量子阱红外探测器的一维和二维光栅耦合模式进行了研究，得到器件的相对吸收率随波长和光栅周期之比的变化曲线，把此曲线作为优化光栅常数的依据。

Based on the knowledge of Fourier optics , the grating light coupling models in quantum well infrared detectors were studied . Plots of relative absorption efficiency as a function of the ratio of wavelength to grating period were obtained .