• 另外激光脉冲宽度气压升高而减小

    In addition, the laser pulse width decreases as the gas pressure increases.

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  • 给出了皮秒激光脉冲宽度测量设计原理实验结果

    The design principle and experiment results of wide frequency band measurement of ps laser pulsewidth are given.

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  • 此外,对激光脉冲宽度脉冲频率焊缝宽度影响了深入研究。

    In addition, the changes of the laser pulse width and pulse frequency to affect the weld width were investigated.

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  • 本文根据激光振荡条件讨论分子激光增大激光脉冲宽度条件

    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.

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  • 通过假设激光脉冲高斯数值计算得到了激光脉冲宽度激光辐射损伤间依赖关系。

    By assuming a Gaussian temporal shape of laser pulse, some numerical results of the threshold dependence on pulse duration are presented.

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  • 研究了在激光脉冲能量和激光脉冲宽度一定激光光斑面积光子电离离子产量影响。

    The laser facula area has some effects on the ion yield of multi photon ionization process.

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  • 结果表明激光影响焊接接头性能主要工艺参数通过控制激光脉冲宽度可以获得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.

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  • 讨论脉冲激光微型焊接,对于激光脉冲形状、光脉冲宽度光通量密度等的选择给出了实验结果

    Selection of laser pulse shape pulse duration flux density are discussed in pulsed laser microwelding and the experimental results are given.

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  • 着重强调了激光能量密度脉冲宽度作用时间等工艺参数杂质分布以及电阻之间密切关联

    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.

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  • 智能化激光脉冲宽度测量与非共线二次谐波相关仪相结合,获得0.1微微秒时间分辨率

    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.

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  • 分析了激光模拟粒子效应试验激光波长大小脉冲能量脉冲宽度脉冲激光参数阈值能量影响

    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.

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  • 着重研究功率输出透过以及初始透过率等因素激光输出脉冲序列重复率、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.

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  • 发明通过检测空气传播冲击波振幅脉冲宽度实现激光冲击强化效果在线检测。

    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.

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  • 为了满足引信用脉冲式半导体激光驱动电路脉冲宽度可调、频率可调、功率可调需要根据LD驱动电路工作原理建立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.

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  • 激光雷达系统作用距离下列因素决定:脉冲能量脉冲宽度光束发散大气衰减目标反射率接收机灵敏度

    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.

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  • 详细讨论了这种方法实现方案,并方案中的激光发射功率望远镜口径以及脉冲宽度距离精度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.

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  • 焊接过程中合适保护气体及其送气方式也是十分必要。大量试验表明,激光功率密度、焊接速度、脉冲宽度脉冲频率四个参数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.

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  • 不同激光参鼍条件,得到电子能量增益激光强度大小脉冲宽度关系

    Under the different laser parameters, the electron energy gain depends on the laser intensity, focal spot size and pulse width.

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  • 临床研究表明脉冲能量脉冲宽度辐射持续时间激光参数直接影响手术效果的好坏。

    The clinic research indicates that the pulse energy, pulse width and duration time can influence the surgical effect directly.

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  • 重点分析了调Q晶体信号透过反射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.

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  • 深入研究了激光在厚介质传输引起激光参数变化,以及激光功率、脉冲形状脉冲宽度、三束激光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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  • 深入研究了激光在厚介质传输引起激光参数变化,以及激光功率、脉冲形状脉冲宽度、三束激光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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