Third, the beamspotsize on target is increased by using a diffusing foil.
并用散射的方法扩大靶上的束点。
2
The parameters are laser power, power density, beamspotsize, welding speed, laser mode and auxiliary gas blow.
研究了激光焊缝质量与激光焊接工艺参数的关系；
3
Effects of pulsed laser parameters such as laser wavelength, beamspotsize, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.