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- With the appearance of high power laser bean, power density of it is improved expressly; the technology of deep penetration laser welding is applied widely in the industry. 随着大功率激光器的出现,尤其是激光光束的功率密度的提高,激光深熔焊接技术在工业生产中的应用日益广泛。
- Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed. 记录和分析了高功率激光焊接中工作区的紫外和红外信号，着重分析了双波段信号与离焦量变化的对应规律。
- High Power Laser Welding System with Beam Guiding by Fiber 大功率光纤传输连续激光焊接系统
- Keywords high power laser welding;dual waveband signals;welding pool;plasma; 高功率激光焊接;双波段;熔池;等离子体;
- Laser welding of 5083 aluminum alloys with high power CO2 laser is experimental studied in this paper. 利用高功率CO2激光器,对5083型号的铝合金薄板进行了焊接试验研究。
- The theory of the stimulated Raman scattering (SRS) of the pulse train of the high power laser is discussed. 本文从理论上给出了脉冲序列受激喇曼散射(SRS)效应中斯托克斯光脉冲的场增益公式。
- Since the birth of laser technology, high power laser system has been a new tool for EOS research. 随着激光技术的发展,状态方程的研究者们也开始注意到了用激光进行高压状态方程研究的可能性。
- We made specialy the light absorption coefficient measurment system in order to satisfy the study of high power laser propagation in atmosphere. 为满足大气中强激光传播研究的需要，我们特地研制了光吸收系数测量系统。
- A precise measurement system of high reflectivity for scanning large aperture components in high power laser system is developed. 为了测量高功率激光传输系统中大口径高反射率元件,研制了一种镜面扫描的精密测量系统。
- The Simulation and experimental results of single segment amplifier (SSA) used in high power laser system are introduced in this paper. 介绍了高功率固体激光驱动器中单通片状放大器(SSA)的模拟和实验研究结果。
- The design principle and experiment result of a novel kind of wide-band shaping parabolic mirror for high power laser processing are introduced. 介绍了一种大功率激光加工用新型宽带光斑成形抛物面镜的设计原理和实验结果。
- All of these are induced to minimize the thermal deformation and damage of resonator mirrors and windows in high power laser. 阐述了用来控制和改善高功率激光器腔镜及其窗口热变形产生的破坏的几种技术,如水冷技术、半导体致冷技术和相变致冷等技术。
- Laser rapid forming(LRF)is a new and advanced manufacturing technology that has been developed on the basis of high power laser cladding technology and rapid prototyping. 本文用GLS-6型横流式CO_2激光器在45钢基体表面上进行了NiCrBSi粉末及NiCrBSi混合粉末的激光熔覆试验。
- Tills paper is concerned with the thermal and mechanical response of a spheric shell subjected to an internal pressure and the irradiation of a high power laser beam. 强激光辐照导弹壳体材料使其软化甚至熔融击穿，导致导弹壳体结构强度降低，在气动载荷和惯性载荷的共同作用下，导弹壳体可能产生结构失稳。
- Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed,therefore low power laser welder can be used for aluminum alloy welding. 试验结果表明,激光焊复合工艺可以显著提高焊缝熔深和焊接速度,从而实现采用小功率激光焊机实现铝合金激光焊接的目的。
- This paper summarized the state-of-the-art of high power laser materials processing technology applied in vehicle industry, especially in autobody manufacturing. 综述了高功率激光加工技术在汽车行业尤其是车身制造业中的应用优点及国外的应用状况。
- As one of the important optical technique in the field of laser sampling, low efficiency beam sampling grating (BSG) is widely used in high power laser system. 低效取样光栅是激光取样技术的一种重要元件 ,它可以看成离轴的二相位的菲涅耳波带板。
- Abstract: The fast Hankel transformation algorithm is used to study the diffractive modulation property of laser beam propagation in high power laser facility. 文摘:利用快速汉克尔变换算法研究了高功率激光在自由空间传输过程中形成低频调制的规律，给出了衍射调制深度与光束宽度及传输距离等参数之间的变化关系。
- It is important to keep away from the ghost reflection point for the arrangement design of final optics assembly (FOA) in the high power laser facility. 设计高功率激光装置靶场终端光学组件(FOA)时考虑的重要因素是鬼像对光学元件的破坏。
- Research on Plasma in High Power CO Laser Welding of Ship Plate 船用钢板大功率CO激光深熔焊等离子体研究
