To measure the beam power and the distribution of beam power density, as an emphasis, a calorimeter is designed.
为了测量束功率和功率密度分布，设计了功率测量靶。
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。
On the basis of the previous work, the authors make an estimation about power density within the beam covered area.
推导了无线电波传输路径上各点经纬度及高度坐标等参数，并在此基础上进行了波束覆盖区功率密度的估算。
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。
Because temperature rise of the exposed region must meet the requirement of diffusion experiment, high power density of the incident laser beam is necessary.
要使曝光区温度达到扩散实验要求，必须使曝光区功率密度很高。
The thermodynamic failure of the structures irradiated by laser beam with low power density are studied in this paper.
研究了低功率密度激光辐照结构的热动力失效。
The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO_2 laser beam with low and high power density.
研究了八种金属材料表面涂布绝缘和非绝缘粉末层在低功率密度和高功率密度的CO_2激光作用下的吸收特性。
When the beam is focused to a small spot, its power density is raised 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。
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。
In cooling storage ring heavy ion beam is plasma of high density. when a big power laser interacted on it, it will get ultra-high temperature.
重离子冷却存储环中的束流是高密度的等离子体，这样的束流照射物体将得到超高压强。
The use of high-power density laser beam to weld many alloys often leads to appreciable changes in the composition and properties of the weld metal.
高功率激光焊接合金材料时，常常导致焊缝合金元素的损失，从而影响焊缝的组织和性能。
Based on the present situation of high power density beam powder surfacing with synchro delivery system, the further development was proposed and a new powder surfacing technology was introduced.
综述了国内外同步送粉高能束粉末堆焊技术的研究现状，对其发展趋势进行了预测，并提出了一种新型粉末堆焊技术。
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；
The optimum input power density is presented by analyzing and calculating the discharge tube gas temperature of a 100 W copper vapor laser to avoid the "black center of beam".
本文讨论了大口径铜蒸汽激光放电的纵向阻抗，给出了阻抗的解析表达式，具体计算了大口径铜蒸汽激光的放电感和电容。
The optimum input power density is presented by analyzing and calculating the discharge tube gas temperature of a 100 W copper vapor laser to avoid the "black center of beam".
本文讨论了大口径铜蒸汽激光放电的纵向阻抗，给出了阻抗的解析表达式，具体计算了大口径铜蒸汽激光的放电感和电容。
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