激光

A laser 3D body scanning system based on light stripe method was presented,which can realize body contour automatic scanning from top to bottom and forming a circinal stripe on body surface with four semiconductor laser linear light sources.Light stripe image is received from eight image CCD cameras located on the two sides of linear light sources.

研制了光带法激光三维人体扫描系统，以4个半导体激光线光源在人体表面形成一个环带，通过位于线光源两侧的8个面阵CCD摄像头接收光带像，在四轴伺服同步扫描系统和计算机网络采集系统的支持下，自上而下地实现了人体外形轮廓的自动扫描。

The principle of outside installation mechanism in laser tracking measurement system is introduced and a spherical mechanism method is adopted to design the 2D tracking circumrotatory mechanism according thedevelopment of laser tracking measurement system in global.

作者根据国内外激光跟踪测量系统发展情况，介绍了外置式激光跟踪测距系统的原理，采用球形跟踪伺服装置的设计思想，设计了两维旋转跟踪伺服装置。

The fundamental principle of PML is briefly introduced. The main performance parameters of PML were determined, and the results were analyzed. The typical detected results of extinction characteristic of aerosols and the structure of cirri at Hefei(117.16°E, 31.90°N) are presented and discussed.

对偏振-米散射激光雷达的性能参数进行了测定，并对测定结果进行了分析与讨论，给出了偏振-米散射激光雷达对合肥市地区(117.16°E， 31.90°N)上空大气气溶胶的消光特性和卷云的结构、退偏振比垂直廓线以及光学厚度的典型探测结果，对这些结果进行了分析和讨论。

It is regarded that the defect structure with jumbo size and high density in the crystal lattice is generated by the complex coaction of incident irradiation field and external electric field.

提出了物理机理的理论分析，认为外电场和激光辐照场的共同作用在晶体内部产生高浓度、大尺寸的缺陷结构，缺陷一定程度上降低畴体成核和畴壁运动所需要克服的退极化能和畴壁能，实现激光诱导畴反转。

Based on polarization state conversion, a technique for coaxially coherent combination of laser beams is introduced.

基于偏振转换原理，提出了一种相干光束同轴合成技术，多束激光可以同轴耦合为一束激光，具有较高的合成效率和良好的光束质量。

Comparing with common side hybrid laser-arc welding, coaxially combined laser beam and arc can provide a symmetrical circular thermal source on the workpiece surface, which is convenient for 3-D welding.

与目前常用的旁轴激光-电弧复合焊相比，激光-电弧同轴复合可以在工件表面提供对称热源，焊接质量不受焊接方向影响而适于三维焊接。

This system effectively combines several individual laser beams coherently into a single beam in phase.

这个系统有效地将几个独立的激光光束连贯地整合成一个单一激光光束。

Both UV and NIR lasers were collinearly focused into 2.0 atm Ar gas cell,when satisfying the conditions of space-time overlap,the full width at half maximum spectrum of UV could grow from 2.6 nm without interaction situation to 6.4 nm,a factor-of-2.5 improvement,which can provide a valid way for attaining sub-20fs ultrafast pulses in the range of UV.

将紫外激光与近红外激光共线聚焦注入2.0 atm氩气样品池中，在满足时空重合条件时，半高全宽的紫外频谱宽度可从无相互作用时的2.6 nm展宽至6.4 nm，增加2.5倍，为进一步获取该波段小于20fs超快脉冲提供一个重要的途径。

Microstructural evolution in laser deposited compositionally graded α/β titanium-vanadium alloys .

杨楠，杨洗陈，&激光熔覆中金属粉末粒子与激光相互作用模型&，光学学报 28，

The effect of Copper Vapor Laser on Corynebacterium crenatum T6-13 were studied.

本文研究了铜蒸汽激光及铜蒸汽激光与氯化锂复合处理对钝齿棒状杆菌T6—13的影响。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新