One shortcoming of these beams is that they typically have a range of energy, caused by the gradual rise of laser power from zero to its maximum level.
但它的一个缺点就是，激光功率从零升到最大值的过程，会使粒子或X射线束具有一定的能谱分布。
Using an optical switch, this ramp up time can be reduced to less than a tenth of a picosecond, delivering peak laser power to the plasma on a faster time scale.
使用光开关，可以把这种功率的上升过程缩短到小于0.1ps，在更短的时间内激光以峰值功率到达等离子体。
The process will, says Dr Yabe, become commercially viable when the laser power reaches 400 watts, which could happen later this year.
他表示今年下半年，激光能若达到400瓦时，这个工序将会在商业上可行。
This is the most versatile, compact, and affordable laser power meter available today.
这是现今市场上最通用、紧凑和经济的激光功率计。
It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
The effect of convection differs with the laser power.
激光功率不同，对流作用不同。
Choosing appropriate laser power and reducing laser irradiation time in laser drilling can also improve drilling quality.
激光钻削时，选择合适的激光功率及减少激光照射时间可提高钻削质量。
They are the cavity radiometer and the water flow power meter for laser power measurement, the cone calorimeter and the volume-absorbing calorimeter for laser energy measurement.
有测量激光功率的空腔型辐射计和流水式功率计、测量激光能量的锥型能量计和体吸收型能量计。
With increase of heat input and laser power density, the cross section of the weld transformed from nail shape to near X shape.
随焊接热输入和激光功率密度的增大，焊缝截面由钉形向近X形转变。
We adopt mix optical path and unidirectional sliding table, which minimize the impact of optical path length on laser power, enhance movement stability and reliability during cutting.
机器采用混合光路设计和单向滑动平台，减小了切割功率受光程远近的影响，增加了切割加工过程中的运动稳定性和可靠性。
The semiconductor laser power supply features continuous adjustable laser pulse frequency and continuous adjustable laser driving current of 6~30A.
其中，激光频率设置为连续可调，激光器的驱动电流6~30A连续可调。
Theoretical analysis and experimental results all indicate that cutting depth is increasing with the decreasing of cutting speed and increasing of laser power.
理论分析和试验结果表明切割深度随着切割速度的减小而增加，随着激光功率的增加而增大。
Its amplifying index decreases with the increasing of the input laser power.
激光放大器的放大指数随输入功率上升而减小。
At the risk of oversimplification we present an argument that predicts the proper dependence of the average laser power.
我们冒着过于简单化的风险而提出一种论点，这种论点能预示出激光功率的适当的内在联系。
If we select substrate temperature, laser power and the scan speed properly, we can get good crystallization. It is useful to the fabrication of SOI devices.
适当选择衬底温度、激光功率和扫描速度可望获得良好的结晶，它对SO I器件的制作是有意义的。
The effects of laser power, frequency, writing speed and procedures on the quality of the chip was evaluated.
研究了激光功率，频率，扫描速度等参数及加工程序对芯片加工质量的影响。
It is shown that the nonlinearity and inhomogeneity of the medium, laser power and input beam parameter affect their propagation properties.
结果表明，介质的非线性性和非均匀性、激光功率及入射光束参数影响其传输特性。
Then the pulsed solid state laser power and mask machining system is designed through simulations and experiments. And the system working theory is also analyzed.
通过仿真与试验，设计了脉冲固体激光掩膜加工器的电源电路及控制系统，并详细地分析了它的工作原理。
Then it discusses the relations of catalytic activity with composition of the catalyst, laser power and melting time.
同时还考查了催化剂组成、激光功率及熔炼时间与丙烯歧化反应活性之间的关系。
The effect of processing parameters including laser power, welding speed and protection gas flow on the welding quality was researched in this paper.
探讨了焊接工艺参数包括激光功率、焊接速度、正反面保护气体流量对焊接效果的影响。
The effects of laser power? speed and defocusing parameter on welding depth and width have been studied in the experiment.
研究了激光焊接输出功率、焊接速度、离焦量等工艺参数对焊接深度及焊接宽度的影响。
This paper investigates the effects of different overlays and laser power density on the fatigue life of aluminum alloy.
本文研究了不同的约束层和激光脉冲功率密度对铝合金疲劳寿命的影响。
The technics parameters, such as the laser power, scan velocity, powder feed rate and the Z axis increment, which influence quality and shape were analyzed in this article.
分析了主要工艺参数如：激光功率、扫描速度、送粉量以及Z轴增量对成型质量和形貌的影响。
The laser power absorbed by the shell is treated as equivalent heat flux.
将壳体吸收的激光功率等效为作用于光斑区域内的表面热流。
In this paper, mainly introduced laser power meter basic composition, and design two project for the measurement of laser power.
在本文中，主要是介绍了激光功率计基本组成，并设计出两个方案用于大功率激光的测量。
Maked use of beam combination, laser power will be achieved higher than single output of laser.
利用光束合成可获得比单个激光输出功率更高的激光束。
It was found that increasing laser power or decreasing scan speed leads to higher sintered density and structural homogeneity.
结果表明，适当增加激光功率或减小扫描速率能改善烧结致密度及组织连续性。
Multilevel laser power modulation is a key technology in multilevel optical data storage systems based on photochromism.
多阶激光功率调制是光致变色多阶光数据存储的一项核心技术。
The fatigue test results show that the higher shock impedance of overlays, and the higher laser power density, the greater the increase of fatigue life of aluminum alloy.
疲劳试验结果表明：约束层冲击阻抗越大，激光脉冲功率密度越高，铝合金激光冲击处理后疲劳寿命的提高越显著。
The fatigue test results show that the higher shock impedance of overlays, and the higher laser power density, the greater the increase of fatigue life of aluminum alloy.
疲劳试验结果表明：约束层冲击阻抗越大，激光脉冲功率密度越高，铝合金激光冲击处理后疲劳寿命的提高越显著。
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