激光束

In this apparatus, any one of the plural laser beams is driven within a predetermined area to record the test pattern.

在这种装置中，在预定的区域内驱动多个激光束的任何一个光束，以便记录测试图形。

At present, there are many reports about the coupling of single laser and lens, and the technic also is quite mature. However, because of the precise requests of the manufacture technic and assembly, the technic of shaping for unidimensional linear and two-dimensional planar beams is not mature enough, almost at the researching or experimenting stage.

目前，关于单管激光器与透镜耦合的方式国内外报道很多，技术也比较成熟；但对激光束阵列的一维线阵和二维面阵整形，由于其制作工艺、耦合组装的精度要求很高，国内外还没有十分成熟的工艺，多处于研究实验阶段。

The analysis results show that the relationship of the phase plate's Fourier spectral T2 and the far field distribution variance is in direct ratio.

利用数值模拟计算了随机生成的两个波前分别通过两个位相屏后的远场分布，模拟结果证实了位相屏用于随机相位畸变激光束匀滑的可行性，并显示了匀滑效果。

Based on the definition of wavefront rise wavefront analysis method of CCD scan is introduced.

在对波面矢高进行定义的基础上，提出CCD轴向扫描检测激光束准直度的方法。

FOG is one kind of laser gyroscopes. IT is based on the interferential theory of Sagnac. And its lamp-house is used with laser. A photic loop is made by fiber. There are clockwise and withershins sheaveses of lights transfer in the circle. With the turn of the circle ,the two lights introduce phasic difference ,so the angle velocity is measured.

光纤陀螺仪是激光陀螺的一种，它采用的是Sagnac干涉原理，以激光作为光源，用光纤构成环形光路并检测出由正反时针沿光纤传输的两束光，随光纤环转动而产生的两路激光束之间的相位差，由此计算出旋转的角速度。

The present thesis is devoted to studying propagation properties of apertured laser beams confronted in the application of high-power-laser technology.

本论文的目的是针对强激光技术实际应用中遇到的受光阑限制的各种激光束的传输特性进行研究。

. Then, the molasses laser beams are switched off, allowing the atoms to move ballistically away from the region to which they had originally been viscously confined Fig.

13（1）。然后，糖蜜激光束被关闭，让原子移动弹道远离该地区，他们原本是粘性局限于图。

Realtime optical image processing using induced mutuallypumped phase conjugator.

利用自泵浦相位共轭器对热晕池的扰动激光束的实验研究。

Through the simulation and analysis, the thermal characteristics of the medium and the thermal effects of laser beam are obtained. A superior pump cooling structure was selected and designed, and it is to be demonstred in this dissertation. 2 The thermal distortion effects in the slab mediam are experimently studied using auxiliary lens、Shearing Interferometer and Mach-Zehnder interferometer.

建立热效应分析模型，从热效应理论基础出发，就适合板条激光介质泵浦源的两种泵浦安排和三种常见的泵浦几何结构进行详细的理论分析，分析比较激光介质的热特性以及对激光束热效应的影响，最终选择出较优越的泵浦冷却结构，为传导冷却板条激光振荡器的设计提供参考依据。

To reduce the marking distortion , using the vertical 2 - dimension galvanometer distributing and f field lens focalize , the distance of the second galvanometer to the machining plane is the focus f . to avoid too hign temperature to distroy the resonance cavity because of too long marking time , cooling system and self - protector is used in the design

为减少打标畸变，采用垂直二维振镜分布， f物镜聚焦，将激光束经第二个振镜反射后到加工平面的距离为焦距f ，为了避免打标时间过长，温度过高破坏谐振腔，在设计中加上冷却系统和自我保护装置。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。