查询词典 reflection grating

The fiber Bragg grating was stickled to the free arm of the double cantilever and its stress response was obtained when adding load to the free end of the double cantilever.

将光纤Bragg光栅贴于双悬梁的梁端面，在双悬梁的自由端部施加载荷，对光纤Bragg光栅的应力响应特性测试。

Using this method, the interval between grating lines can be subdivided directly and then measured.

介绍一种采用CCD为测量元件的光栅位移传感器的设计方法。

The topographies of silicon gratings have been measured by SEM, the experimental results indicate that the samples have good uniformity grooves and grating facets of excellent optical quality.

利用扫描电子显微镜进行了光栅表面形貌测试，试验结果表明，制作的硅光栅样片具有良好光学特性的反射表面和光栅槽形。

How often I have heard his laughter booming in the shadow of my alcove and the grating of his nails on the silk curtain of my bed!

多少回我听见你的笑声在你床间的阴暗处回荡，听见你的指甲在我的床幔的绸缎上弄出窸窣的响声！

Effects of reaction temperature, reaction time, the amount of alkali, benzyl chloride and quaternary ammonium on grating rate of benzylated natural bamboo fiber have been discussed.

以接枝率为考察目标用正交试验探索了反应温度，碱用量，反应时间，氯化苄及助剂季铵盐的用量5个因素对天然竹纤维苯甲基化改性的影响，确定了最佳反应条件。

Objective lens, collimating mirror, diffraction grating Application Products: CD, DVD optical read head, biotechnology, laser application.

主要产品： 1。物镜、准直镜、衍射光栅应用产品：CD、DVD光学读取头、生物科技、激光应用。

A differential demodulation system of Laser Doppler is designed. Phase grating is adopt to obtain same intensity measured beams with big separative angle in the system,and by focusing the waists of two Gauss beams on the measured object with extender and collimating lens group, the smallest speckle and the superposition of plane waves are obtained.

设计了一种差动检波系统，采用相位光栅获得同光强、大夹角的测量光束，用扩束准直透镜组使两束高斯光束的束腰聚焦在被测物体上，得到最小光斑和平面波的叠加。

An external-cavity semiconductor laser was built by using a semiconductor laser, collimating cylindrical column lens for fast axis beam and a volume Bragg grating as a feedback element to get semiconductor lasers wavelength locked to the Bragg wavelength of the VBG.

用体布拉格光栅作为反馈元件与瓦级半导体激光器以及快轴准直柱透镜构成一个可以将半导体激光器的工作波长稳定在体布拉格光栅布拉格波长处的外腔激光器。

For the interaction between optical surface and wavefront, the models of random phase plate and combination of random grating are used to explain the relationship.

对于光学表面对光波场的作用，我们认为可以将光学表面的面形偏差看作是随机位相板或多个正弦光栅的拟和。

Therefore, the electronic angle measurement also has code-degree angle measuring plate, grating-degree angle measuring plate and coding degree angle measuring plate combination, as well as the form of four kinds of dynamic measuring angle.

因此，电子测角也就有编码度盘测角，光栅度盘测角和编码度盘结合测角，以及动态测角等四种形式。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。