另外,激光脉冲宽度随气压的升高而减小。
In addition, the laser pulse width decreases as the gas pressure increases.
给出了皮秒激光脉冲宽度带测量的设计原理和实验结果。
The design principle and experiment results of wide frequency band measurement of ps laser pulsewidth are given.
此外,对激光脉冲宽度及脉冲频率对焊缝宽度的影响作了深入研究。
In addition, the changes of the laser pulse width and pulse frequency to affect the weld width were investigated.
本文根据激光振荡条件,讨论了准分子激光器增大激光脉冲宽度的条件。
Based on the laser oscillation requirements, this paper discusses the condition for increasing pulse-width of excimer laser. In principle, CW operation of excimer laser can be obtained.
通过假设激光脉冲为高斯型,数值计算得到了激光脉冲宽度与激光辐射损伤间的依赖关系。
By assuming a Gaussian temporal shape of laser pulse, some numerical results of the threshold dependence on pulse duration are presented.
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。
The laser facula area has some effects on the ion yield of multi photon ionization process.
结果表明 ,激光脉宽是影响焊接接头性能的主要工艺参数 ,通过控制激光脉冲宽度可以获得高质量的镁合金焊接接头。
The results showed that the pulse width was the main parameter affecting properties on the joint and the high quality joint can be obtained by controlling the pulse width.
讨论了脉冲激光微型焊接中,对于激光的脉冲形状、光脉冲宽度、光通量密度等的选择,并给出了实验结果。
Selection of laser pulse shape pulse duration flux density are discussed in pulsed laser microwelding and the experimental results are given.
着重强调了激光能量密度、脉冲宽度、作用时间等工艺参数与结深、杂质分布以及结电阻之间的密切关联。
The close correlations between laser energy density, pulse duration, interaction time and junction depth, dopant distribution as well as junction resistance are mainly emphasized in this paper.
将智能化激光超短脉冲宽度测量仪与非共线二次谐波相关仪相结合,可获得0.1微微秒或更优的时间分辨率。
An intelligent instrument used for measuring the width of ultrashort laser pulse is presented. Combining with a noricollinear SHG correlator, time resolution of 0.1 psec or better can be obtained.
分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。
Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.
着重研究了抽运功率、腔长、输出镜透过率以及初始透过率等因素对激光输出脉冲序列的重复率、脉冲宽度以及输出功率的影响。
The focus is given to the influence of pumping power, cavity length, the output coupler transmission and initial transmission on the repetition rate, pulse width and output power of laser output.
本发明通过检测在空气中传播的冲击波的振幅和脉冲宽度,实现激光冲击强化效果的在线检测。
The on-line detection of the laser shock processing effect is performed by detecting the amplitude and pulse width of the shock wave spreaded in the air.
为了满足引信用脉冲式半导体激光器驱动电路的脉冲宽度可调、频率可调、功率可调的需要,根据LD驱动电路的工作原理,建立LD驱动电路的一般模型,并进行了仿真分析。
In order to meet the needs of variable pulse width, frequency and power for laser fuze, a model of the LD driver circuit is built up based on its principle.
激光雷达系统的作用距离由下列因素决定:脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
详细讨论了这种方法的实现方案,并对方案中的激光发射功率、望远镜口径以及脉冲宽度对距离精度及信噪比的影响进行数值模拟。
The detailed principle of detection is presented. The relationship of range accuracy and signal-to-noise ratio with laser power, telescope diameter, and pulse width are numerically simulated.
焊接过程中合适的保护气体及其送气方式也是十分必要的。大量试验表明,激光功率密度、焊接速度、脉冲宽度和脉冲频率四个参数的合理组合是实现不锈钢薄板焊接的关键因素。
The results show that the rational combination of welding parameters such as the laser power density, the welding speed, the pulse frequency and pulse width influence the quality of the weld beam.
不同激光参鼍条件下,得到了电子的能量增益与激光强度、焦斑大小和脉冲宽度关系。
Under the different laser parameters, the electron energy gain depends on the laser intensity, focal spot size and pulse width.
临床研究表明:脉冲能量、脉冲宽度、辐射持续时间等激光参数直接影响到手术效果的好坏。
The clinic research indicates that the pulse energy, pulse width and duration time can influence the surgical effect directly.
重点分析了调Q晶体小信号透过率和反射镜的反射率对激光器的输出能量、脉冲宽度的影响。
The pulse energy and pulse width for different small signal transmission ratios of Q-switching crystal and different reflection indices of output mirror were simulated.
深入研究了激光在厚介质中传输引起激光参数的变化,以及激光功率、脉冲形状、脉冲宽度、三束激光的时间不同步对电离几率的影响。
It was found that the laser transfer in a long distance causes evolution of laser parameters. Laser power, laser pulse shape, pulse width and time ste...
深入研究了激光在厚介质中传输引起激光参数的变化,以及激光功率、脉冲形状、脉冲宽度、三束激光的时间不同步对电离几率的影响。
It was found that the laser transfer in a long distance causes evolution of laser parameters. Laser power, laser pulse shape, pulse width and time ste...
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