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

另外，激光脉冲宽度随气压的升高而减小。

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

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。

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The experimental results show that a bigger diffraction efficiency delay rate can make the establishing time of the laser pulse and the pulse width shorter, and make the peak power higher.

实验结果表明，在一定范围内增大衍射延迟速率可以缩短脉冲建立时间，缩短脉冲宽度，增加峰值功率。

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