查询词典 diffraction grating

At last the structure tolerance of the expand core fiber is studied. And then the optical coupling efficiency imposed by the position of Gaussian beam on the grating is discussed by comparing the Gaussian beam output from expand core fiber, single mode fiber and free space Gaussian beam with waist radius of 16 microns.

最后分析了扩束光纤的结构容差，并讨论了所设计扩束光纤的输出光束、单模光纤的输出光束以及束腰半径为16 μm的自由空间高斯光束各自在光栅表面的位置变化对光栅耦合效率的影响。

The particular functions and the impact to the systemic performance of the critical elements such as lighting system, grating, field lens and electronic ocular are analyzed.

对系统的关键性部件如照明系统、光栅、物镜和电子目镜的选用以及它们对系统性能的影响进行了分析。

In the experiment,by adjusting the manual tunable fiber Bragg grating and control the transmission of the light through the filter band,the operating center wavelength of the fiber lasers could be tuned from 1 047 nm to 1 055 nm and pulse duration at a repetition rate of 4.9 MHz.

实验中，在保证锁模状态稳定的情况下，通过调节可调谐光纤光栅滤波器，使激光器输出锁模脉冲的中心波长在1 047 nm～1 055 nm范围内连续调谐，重复频率稳定维持在4.9 MHz。

By means of increasing control fineness and optimizing scanning frequency, the uniformity of grating is improved.

通过提高光刻镜扫描的控制精度和优选扫描振动频率，能够改善光栅的均匀度，以满足曝光的需要。

Our primary products include Welded Wire Mesh, Expanded Metal, Expanded Grating, Field Fence, Wire Mesh Fence, Barbed Wire, Filter Elements and various wire processed products including special welded panels, wire containers, baskets, pet cages and barbecue grill netting. We also deal with gabion box, hexagonal wire netting, chain link fence, crimped mesh, screen mesh and various wire.

本公司主要经营：电焊网、钢板网、钢格板、草原围栏网，护栏网，刺网、过滤器材以及各种异型点焊网片、网筐、网篮、宠物笼、货物周转箱、烧烤网等丝网深加工产品；还兼营：石笼网、六角网、勾花网、轧花网、筛网及各种线材等产品。

And the effects of the geometrical dimensions of the grating on high frequency characteristics of system were analyzed.

并针对矩形栅的两种典型结构进行数值计算，分析了金属栅的几何尺寸对系统高频特性的影响。

A new type of geophone is presented,based on the narrow band transmission and free of back reflection features of long period fiber grating.

基于长周期光纤光栅能透射特定波长的性质，以及其无后向反射的优点，提出一种新型的长周期光纤光栅地震检波器系统。

S slim Box Grater features four functional grating surfaces without taking up a lot of space in your drawer.

s超薄框刨功能，而无需占用你的抽屉里了大量的空间四大功能光栅表面。

Design of CCD Grating Spectrometer with Refrigeration and Application in Fourier domain OCT .

带制冷的CCD 光栅光谱仪设计及其在频域OCT 中的应用。

Germany APE provides WaveScan wavelength meter is a compact, easy to use, economical scanning grating spectrometer.

德国 APE公司提供WaveScan 波长计是一款结构紧凑、使用方便、经济实用的扫描光栅光谱仪。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。