beam power density的意思|示意

It is also shown that the second-order moment method of the power density is applicable to the truncated beams and overcomes the divergence difficulty of the beam quality factor.

功率密度的二阶矩方法可用于截断光束，并克服了光束质量因子的发散困难。

This article indicates in an experimental way that Metglass can be gained with high power density laser beam shining the surface of an alloy.

本文用实验方法表明，用高功率密度激光照射合金表面可获得金属玻璃。

When the beam is. focused to a small spot, its power density is. rais. d to produce sufficient heat to vaporize any material.

当光束在一个小点上聚焦时，其功率强度得以提高，并产生足够的热量来汽化任何材料。

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.

焊接过程中合适的保护气体及其送气方式也是十分必要的。大量试验表明，激光功率密度、焊接速度、脉冲宽度和脉冲频率四个参数的合理组合是实现不锈钢薄板焊接的关键因素。

This is achieved by using a unique multi beam technology, demonstrated in figure 2, which reduces the power density, minimizes the thermal load, and reduces the kerf width in the wafer.

这是采用独特的多光束技术实现的，图2显示了其工作原理，降低了功率密度，减小了热负载，缩小了刻线宽度。

The parameters are laser power, power density, beam spot size, 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；