Influence of untrapped electrons on the sideband instability of electromagnetic Wig-gler free electron laser(EM-FEL)is analyzed in detail with single-particle theory.
用单粒子理论分析了未被有质动力势阱捕获的电子对电磁波泵自由电子激光边带不稳定性的影响。
The influence of laser power, welding speed and the focus position to the laser welding process as well as the assist gas to the instability of the welding process are analyzed.
分析了激光功率、焊接速度和焦点位置对焊接过程的影响以及保护气体对焊接过程不稳定性的影响。
The instability of the femtosecond laser pulses which can wash out the spectral fine structure and degrade the coherence of the generated supercontinuum has also been discussed here.
分析讨论了飞秒激光脉冲参数对超连续光谱的影响以及脉冲不稳定性对超连续光谱产生的影响情况；
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