新闻：激光束聚焦在聚变能上。
激光转镜以扫描方式将激光束聚焦扫描成线状光斑。
Laser rotating mirror scans the focused laser beam into lineation facula.
想想可以转移你注意力的最喜欢的活动，平静下来，像激光束聚焦一般。
"Think of your favorite activities that distract you, calm you down and give you laser-like focus."
激光束聚焦性能研究是激光推进技术研究中的一个重要内容。
The study of the focusing characteristics of laser beam is an important content in the study of laser propulsion technology.
提出了一种能把激光束聚焦成任意长度的新型直线聚焦透镜及其可能的应用。
A new type of focusing lens which can focus a laser beam into a line of any length and its possible applications are proposed.
在一个时间，给一个念头，一项工程，或者一个目的给予激光束聚焦般的关注力量是很强大的。
There is tremendous power in giving laser-beam-focused attention to just one idea, one project, or one objective at a time.
利用圆柱面透镜将激光束聚焦的办法使能量转换效率提高了8到30倍。用此方法最高能量转换效率达到了64%。
In the case of low laser power, by means of cylindrical focusing laser beams, energy conversion efficiencies were increased by a factor of 8 to 30 with a maximum conversion efficiency of 64%.
美国的一个物理学家团队通过将一束紫外激光聚焦于一小块氧分子中，发明了一种聚焦于半空中一点的红外激光束。
A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.
对于飞行速度每小时数千英里的目标进行激光束瞄准和聚焦并不容易，但机载激光器是唯一能够完成这项工作。
Pointing and focusing a laser beam on a target that is rocketing skyward at thousands of miles per hour is no easy task, but the Airborne laser is uniquely able to do the job.
数据在光盘上的排列比在软盘或硬盘上更加紧密，原因是激光束可以比磁头聚焦到更小的点上。
Data can be crammed much tighter on a CD than on a magnetic floppy or hard drive because a laser beam can be focused to a much smaller point than magnetic heads.
分析了几种不同的动态聚焦系统的特点，给出了激光束通过该系统的变换公式以及光杠杆比和透镜焦距的确定方法。
The several dynamic focus systems are analyzed. The transmission formulas of laser through them and the way to define the optical lever ratio and the focus of lens are given.
由于光的衍射作用，使通过聚焦系统的激光束入射到特定靶面成一光斑（主光斑） ，而在主光斑以外还有次级光斑圈（旁瓣）。
The laser beam passing through the focusing systems gets an facula, which consists of main spot and sidelobe on the focus plane.
本文从一个新的途径研究了激光器阵列与光纤阵列的耦合，即采用自聚焦柱透镜阵列作激光束整形器件。
This article has studied the coupling of the laser array and the optical fiber array by a new way, namely using a selfoc column-lens array as the component of the laser beam shaping.
另外由于准直的激光束不存在聚焦问题，输出的图像能够准确投影到曲面上。
In addition, it is because collimated laser beam is free of focusing problem that output image can be projected to curve surface.
采用棱镜透镜组合装置把出射激光束经发射通道聚焦成像，根据光斑半径测量束散角。
Using assembled unit of prism and lens, the laser beam from firing channel is focalized and imaged.
已有大量文献对光束的聚焦特性进行了详细的研究，光束聚焦特性的进一步研究对激光束的应用和光学系统的设计有着极大的实际意义。
Recently, a lot of literatures have studied focusing properties of beams particularly. Further studies of beam focusing are of great significance for lasers application and design of optical system.
采用光波的衍射积分理论，对具有波纹调制激光束的准聚焦特性进行了理论分析。
Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper.
文中还介绍了利用激光束径向强度分布测量装置对空间滤波器的输出及其应用于激光聚焦系统中的作用的测试结果。
This paper also introduces test results of spatial filter output and its action in laser focus system, by using a measuring apparatus for radial intensity distribution of laser beam.
实验测量了经单一锗透镜聚焦后的CO_2激光束的腰斑半径和位置，同时确定了聚焦锗透镜的焦距，其结果与实际情况一致。
The radius and position of waist spot of CO2 laser beam focused by a single Ge lens were measured experimentally, and the focal length of the Ge lens was determined. The result is in agreement w...
将激光束耦合进入光纤，聚焦于工件上实施焊接，采用光纤传输非接触焊接，具有更大的灵活性。
Will laser beam optical fiber laser coupling will enter. Focusing at implementation of workpiece on welding. By using optical fiber transmission non-contact welding, Have more flexibility.
将激光束耦合进入光纤，聚焦于工件上实施焊接，采用光纤传输非接触焊接，具有更大的灵活性。
Will laser beam optical fiber laser coupling will enter. Focusing at implementation of workpiece on welding. By using optical fiber transmission non-contact welding, Have more flexibility.
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