gratings

Polymer Gratings with Low Surface Relief Based on UV Photo-Polymerization

利用光聚合反应制作表面平整的聚合物光栅

A new method fir producing holographic gratings for high temperature is developed in this paper.

本文提出了应用双镀层光刻法制作高温全息光栅的新工艺.

Principle and Design of Varied Line Space Plane Gratings

平面变栅距光栅的原理及设计

This waveguide grating not only dispenses with the slow wavelength tuning and large-scale integration inconvenience of conventional optic fiber gratings, but have many advantages, such as high resonant wavelength tuning sensitivity, using same fabrication technology as semiconductor devices, and polarization independence.

该波导光栅不仅克服了光纤光栅调谐速度慢和不利于大规模集成的不足，而且具有调谐灵敏度高，制备工艺与半导体工艺兼容和偏振无关等优点。

Study of Temperature Sensitivity of Fiber Gratings

光纤光栅布拉格波长温度稳定性研究

The light is resolved by prisms, gratings, or by an interferometer.

光线用棱镜 、 光栅或干涉仪分解.

So chirped fiber gratings have broad reflection bandwidth.

所以chirped光纤光栅 具有宽的反射带宽,在反射带宽内具有渐变的群时延等其它类型的光纤光栅所不具备的特点.

Super Gaussian sliding-frequency filters can be implemented with holographic fiber gratings.

这种滤波器可以用全息光纤光栅制成.

Many of the roofs were so full of holes that they looked like gratings.

许多屋顶千穿百孔,象筛子一样.

We offer ruled and holographic diffraction gratings.

我们提供常规和全息衍射光栅.

All gratings shall lie flat with no tendency to rock when installed.

安装时所有的栅栏都是平躺的,摇动时不发生倾斜.

Based on optical interference theory and Fourier modal theory, a new multi-layer dielectric gratings is designed for use in femtosecond laser system at wavelength 0.8 μ m.

以薄膜光学的干涉理论和衍射光学的傅里叶模式理论为基础，给出了0·8μm飞秒激光器用多层介质膜脉宽压缩光栅的理论设计；

In holographic paperboard is holographic gratings in optics technology category.

激光全息模压技术在光学中属全息光栅技术一类.

Electromagnetic field in various layers of D metal gratings can be described with vector mode field.

用矢量模式场来描述二维金属光栅各层中的电磁场.

Discussion on factors influencing the surface glossy degree of PVC protective gratings

PVC防护栏表面光滑度影响因素的探讨

Then plane reflection blazed gratings are discussed theoretically.

进而从理论上讨论了平面反射闪耀光栅.

In this paper, an optical alignment system is introduced using gratings with different constant for the step projection photoetching machine.

介绍一种在分步投影光刻机中，采用不等栅距光栅进行对准的系统。

The principle, technological requirement and manufacturing technology of holographic gratings are discribed.

本文叙述了全息光栅的制造原理 、 艺要求和制造技术.

Resonance characteristics of sub-wavelength gratings in the visible region are studied.

研究 亚 波长光栅的可见光共振特性.

Both are polymer replicas of master gratings.

两个都是标准光栅的聚合物复制品.

Through the nonlinear coupling interactions between atomic waves, the structure appears as the matter wave gratings, and diffracts its surrounding atomic waves.

通过原子波之间非线性耦合相互作用，这种结构可以表现为物质波光栅，对其周期的原子波产生衍射现象。

Study of Cross Talk of Two Pieces of Photorefractive Phase Gratings Stored in One Point

存储于同一空间点的两幅光折变相位栅交扰问题的研究

In the scheme of the sensing network of FBG with wavelength division multiplex technique, the three series-wound gratings are placed in the temperature controller.

在采用波分复用技术中的FBG的传感网络方案中，串联的3只光栅均置于温度控制器中。

Study on the Measurement System of Temperature Sensing Based on Encoding Optic Fiber Gratings

一种编码式光纤光栅温度传感检测系统的研制

Drag onto the page to show a catch basin or drain. Work in iron, such as gratings and rails.

拖到绘图页后，可以显示下水道入口处的铁格子或排水管。

Considering the outstanding characteristics of fiber gratings sensing with the speciality of petroleum industry, the applications in petroleum industry were discussed, as follow: strain and temperature measurement, logging technology, seismo-detecting and long distance oil-pipeline detecting.

结合光纤光栅传感技术的本质突出优势和石油工业特点，讨论了其在油气生产中温度和压力测量、测井技术、地震波检测、长距离石油管道监测等方面的应用。

The need for larger and better gratings became apparent.

对更大、更好的光栅的需求变得突出起来.

With the rapid development of array detector technology, the application fields of concave varied line space gratings are expanding quickly.

随着阵列探测器技术的快速发展和日益成熟，凹面变线距光栅的应用领域迅速拓展并逐渐显示出其独特的优势。

Study on Coefficients of Groove Density Distribution Equation of Plane Holographic Variable Line Space Gratings

全息平面变间距光栅线密度分布方程系数研究

A new spectral beam combination scheme based on cascaded volume Bragg gratings ( VBG ) was presented.

提出了一种基于级联体光栅 ( VBG ) 的谱组束方案,组束阵元数可随级联体光栅的数目倍增.