1)laser spot激光光斑
1.A new method for calculatinglaser spot parameters quickly;一种新的激光光斑参数快速计算方法
2.Multi-circle fitting algorithms forlaser spot location;激光光斑定位的多圆拟合算法的研究
3.A research into density distribution detection oflaser spot in SLA;光固化成形系统激光光斑光强分布检测方法研究
1.An Algorithm for Laser Spot Precise Locating in Omni-Directional Laser Warning System全向激光告警系统中激光光斑精确定位方法
2.Research on Laser Spot Identification and Characterization Based on Image Processing;基于图像的激光光斑识别和特性分析
3.A research into density distribution detection of laser spot in SLA光固化成形系统激光光斑光强分布检测方法研究
4.The laser facula area has some effects on the ion yield of multi photon ionization process.研究了在激光脉冲能量和激光脉冲宽度一定时激光光斑面积对多光子电离离子产量的影响。
5.Using center of gravity method, the system make the precise orientation of laser spot come true.系统采用质心法,实现了激光光斑中心精确定位。
6.A Method for Edge Extraction of Bar and Strap Laser Spot in Changing Background变背景条带状激光光斑边界的提取方法
7.Research on Wake Detection Method Based on Laser Spot Drift基于激光光斑漂移的尾流探测方法研究
8.Study of pointing error compensation method of laser spot in atmosphere environment大气环境下激光光斑瞄准偏差的补偿方法研究
9.laser image-speckle interferometer激光影像-斑点干涉仪
10.The Research of Appraisal System with Laser Suppressional Facula Illumination Precision;激光压制光斑照射精度评估系统研究
11.Spot-detecting Camera in Laser Communication ATP Fine Tracking System激光通信ATP精跟踪光斑探测相机
12.AORTA ABLATION AND FLUORESCENCE SPECTRUM INDUCED BY ULTRAVIOLET LASER紫外激光消融主动脉斑块和感生荧光光谱观测
13.Research on Speckle Contrast Related Factors in Laser Speckle Imaging;激光散斑成像中散斑衬比影响因素的研究
14.Impact of Averaged Image Speckle Size on Laser Speckle Imaging像面散斑平均尺寸对激光散斑成像的影响
15.Treatment of port wine stains by photodynamic therapy of cuprous bromide laser溴化亚铜激光光动力学疗法治疗鲜红斑痣
16.Krypton laser photocoagulation of macular branch retinal vein occlusion视网膜黄斑分支静脉阻塞的激光光凝治疗
17.Signal Acquisition and Transmission Technology in Far-Field Laser Spot Detection激光远场光斑检测中信号采集与转贮技术研究
18.Enhanced optical image edge with laser speckle out-of-focus method实现光学图像边缘增强的激光散斑离焦法
相关短句/例句
laser facula激光光斑
1.Enhancement and binary representation oflaser facula;激光光斑图像增强与二值化
2.Testing precision analysis of centrobaric oflaser facula;激光光斑重心测试精度理论分析
3)large spot laser大光斑激光
1.Aim at this status,large spot laser-arc hybridwelding was brought forward in this paper.本文针对当前铝/钢异种金属焊接难以满足汽车制造业发展需要的现状，提出了大光斑激光-电弧复合热源焊接方法，用该方法成功地实现了5A02铝合金板与镀锌钢板、镀铝钢板的熔-钎连接，并研制开发了可用于铝/非镀层钢复合热源熔-钎连接的特种钎剂。
4)laser speckle激光散斑
1.Measurement of thermal displacement of welding points for differental metals bylaser speckle photography;激光散斑照相法测量不同金属材料焊接部位的热位移
2.Measuring heating stress of metal material at the welding points by using one beamlaser speckle interferometry;单光束激光散斑干涉法测量金属材料焊接部的热应变
3.The measurement of metal material welding flaws by method oflaser speckle;用激光散斑法检测金属材料的焊接缺陷
5)Laser speckles激光散斑
1.The laser speckles are formed when a beam of laser is scattered by a rough surface of an object.激光照射到粗糙物体的表面会形成激光散斑 ,散斑随物体的运动而运动 ,特别是物体在自身平面内运动时散斑的同步运动比较显著 ,因此可以用这一现象测物体的微小位移 。
6)Focal spot激光焦斑
延伸阅读
半导体激光泵浦的激光晶体半导体激光泵浦的激光晶体LD pumped laser crystal半导体激光泵浦的激光晶体LD PumPed lasercrystal适用于半导体二极管作泵浦源的激光晶体。传统的固体激光器一般用闪光灯泵浦，由于闪光灯的发光区域宽，只有一部分能量被吸收后转换成激光，大部分转换成热量，使工作物质温度上升，恶化了输出激光束的质量。半导体激光器输出的激光谱线窄(一般为几纳米)，选择合适的半导体激光器，使其激光光谱与某种固体激光材料的吸收光谱匹配，即可达到高效泵浦，大大减轻固体工作物质的热负荷。因为半导体激光器光泵区域小，需用的晶体尺寸也小，因此要求基质晶体内可掺入的激活离子浓度要高，且不产生浓度碎灭。此外，要求与光泵的半导体激光波长相匹配的晶体的吸收带要宽，吸收系数要大;要有低的阑值功率;Q开关运转时，荧光寿命要长。当泵浦光源从闪光灯改变为半导体激光二极管时，对被泵浦的激光晶体产生了不同的要求。用闪光灯泵浦时，对材料的热性能和机械性能有严格要求，而半导体泵浦则更注重材料的光谱性能。在已使用的激光晶体中，掺钱石榴石(Nd:YAG)晶体的阑值功率低，光学质量高，是应用于半导体激光光泵的固体激光器的主要材料。由于Nd3+离子在基质晶体中受分凝系数的限制，Nd3+离子浓度不能太高，所以一些氟化物和钨、钥酸盐晶体等掺杂浓度高，激光效率高，荧光寿命长，有可能成为半导体激光泵浦的后选晶体。用半导体泵浦可制成效率高、功率和频率稳定、激光束质量好、寿命长的全固化激光器，并经各种频率转换技术，可发展成各种波长、各种模式、各种运转方式的激光器，这种激光器将在很大范围内取代已有的各类固体、液体和气体激光器。(沈鸿元)
