laser beam focus position 激光焦点位置
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。
Detection and control of the laser beam focus position is one of the key technologies to ensure laser beam cutting processing quality.
激光焦点位置的检测与控制是激光切割系统中的关键技术之一。
We use a space coordinate method to position and point the target and align the laser beam, and use an off-focus radius-finding technique to find the laser focus.
详细描述了神光装置激光聚变物理实验靶瞄准定位系统的原理和结构，提出了“空间坐标法”进行靶定位和靶瞄准，利用“离焦定半径”完成了激光调焦。
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