With the single-pulse laser energy input increasing, the transverse shrinkage and buckling distortion are improved.
随着激光单脉冲能量输入的增加,焊接件的横向收缩变形和失稳变形变大。
By counting the number of such X-rays while scanning the frequency of the laser pulse, the team could make a very precise measurement of the photon energy required to drive the 2s-2p transition.
通过统计所发出X光的数量,然后对照激光脉冲的频率,测量小组能得出一个非常精确的测量值,从2s能级到2p能级跃迁所需的量子能量。
It's a complex 192-beam system that last year generated a pulse with a megajoule of energy in a few billionths of a second, making it the most powerful laser ever built.
这是一个复杂的系统,可以同时发出192束激光,去年,在十亿分之几秒的时间内,产生了能量达到100万焦耳的激光脉冲,使之成为有史以来能量最强的激光器。
The close correlations between laser energy density, pulse duration, interaction time and junction depth, dopant distribution as well as junction resistance are mainly emphasized in this paper.
着重强调了激光能量密度、脉冲宽度、作用时间等工艺参数与结深、杂质分布以及结电阻之间的密切关联。
This paper presents the laser pulse energy measuring and controlling system using single chip computer in laser machining.
本文介绍了在激光加工中,采用单片机构成激光脉冲能量的测量与控制系统。
From the microscopic view point of energy transfer, energy transfer mechanism of femtosecond pulse laser radiation on metal film and the resulted molecules desorption from substrate is discussed.
从微观能量传输角度,对飞秒脉冲激光的辐射传热及其产生的金属薄膜吸附层分子脱附过程的能量输运机理进行了研究。
Because of limited energy of a single laser pulse, in order to meet a specific processing demand, it is sometimes necessary to shoot a series of laser pulses on the same place.
由于单个激光脉冲的加工能量十分有限,有时需要在工件的同一个位置打出若干个激光脉冲,才能满足特定的加工需求。
The long pulse electron beam system reported here was constructed for transverse pumping and e-beam sustained discharge large energy gas laser.
本文介绍的长脉冲大面积强流电子束系统是为横向泵浦和控制放电泵浦大能量气体激光而设计和研制的。
The ultrashort pulse laser plasma source works in ultrashort time, with high energy density and is able to be tuned, controlled easily.
超短脉冲激光等离子体源作用时间超短,能量密度高,可调谐,易于控制。
The laser output energy, dynamic to static ratio, pulse bandwidth ana spectral line width etc. by Q-switching ware measured and analysed theoretically.
测量了调q后激光输出的能量、动静比、脉宽、谱宽等,并从理论上进行了一些分析。
Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.
分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。
A laser power meter which has high accuracy and large dynamic scope is used to obtain accurate energy measurement of the laser pulse.
高精度、大动态范围的激光能量计可精确测量出激光脉冲的能量。
The intensity of terahertz waves tends to saturate with the increase of laser pulse energy.
此外,逐步增大激光脉冲能量,会发现辐射的太赫兹波强度存在一个饱和特性。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
激光雷达系统的作用距离由下列因素决定:脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
In this doubly Q-switched laser, the AO Q-switch is used to control the pulse repetition rate and allow the laser medium to store energy to ensure that the population inversion is fully saturated.
在双调q激光器中,声光器件用于控制脉冲的重复频率,同时允许激光晶体储存能量以保证反转粒子数被完全吸收。
The high energy pulse laser was used to radiate lead zirconate titanate (PZT) piezoelectric films. The effect of the laser thermal shock on the properties of the films was investigated.
应用高能量单脉冲激光作用在锆钛酸铅(PZT)压电薄膜上,研究脉冲激光的热冲击对PZT薄膜性能产生的影响。
Differing from the long pulse laser the ultra short laser will deposit its energy on the surface of the solid target in very short time and produce solid dense plasmas.
超短脉冲激光照射固体靶时可将其能量在极短的时间内沉积在靶表面一个极小的空间范围内,在固体靶表面产生固体密度的等离子体。
The heat conduction equations were developed for the pulsed laser beams and pulsed ion beams with the various pulse duration and energy density.
在脉冲激光束和脉冲离子束辐照条件下,针对不同脉冲作用时间和能量密度建立传热模型。
The device can be applied to measure the relative value of laser pulse peak power, therefore it can monitor the fluctuation of output energy when Z-scan experiment is carried out.
本装置能够实现对激光脉冲峰值功率相对值的测量,在Z扫描实验时,达到对激光器输出能量变化进行实时监测的目的。
The influence of laser pulse energy on the electron temperature and the temporal evolution of electron temperature were studied.
研究了激光脉冲能量对等离子体电子温度的影响和等离子体电子温度的时间演化特性。
This energy meter has been used in detective system of Raman free-electron laser. We successfully measured the typical parameters of the output millimeter wave laser pulse.
将该能量计应用于拉曼自由电子激光器检测系统,成功地测定了输出毫米波激光脉冲的典型参数。
At present, plane parallel resonator is often used in multipulse laser drilling with average distribution of pulse energy.
目前,对于多脉冲激光打孔,往往都是采用平行平面腔而脉冲能量采用平均分配法。
Power supply system provides flash energy to Xe lamp. Pumping of Er:YAG laser rod is provided by Xe lamp. Pulse solid laser power directly affects the attribute of laser.
脉冲铒YAG固体激光电源为氙灯提供能量,氙灯是激光的泵浦源,它燃烧发光激发工作物质铒YAG产生激光,因此激光电源的性能直接影响到激光光束的质量。
CONCLUSION: We should choose the laser parameter flexibly in order to ensure effective high proportion pulse energy, which is vital in the treatment of after cataract by YAG laser.
结论:根据后囊膜混浊的程度和视力的情况灵活选择激光参数,确保高比例有效的脉冲能量,是YAG激光治疗后发性白内障的关键。
Under the different laser parameters, the electron energy gain depends on the laser intensity, focal spot size and pulse width.
不同激光参鼍条件下,得到了电子的能量增益与激光强度、焦斑大小和脉冲宽度关系。
The laser pulse modulation system consists of cavity dumper driver, matching net and acoustooptic energy convertor.
超短脉冲激光调制系统包括腔倒空驱动器、匹配网络和声光换能器。
The experiment indicate that the deep energy trap is benefit to increase the ability of GaAs photoconductive switches absorbing long wavelength limit laser pulse obviously.
实验表明深能级的引入有利于开关对长波限激光脉冲的吸收。
The picosecond transient sampling gate is mainly applied in laser fusion and high energy physics experiments for single high-speed pulse real-time sampling.
皮秒级瞬态取样门主要应用于激光聚变实验和高能物理实验中,对单次高速脉冲进行实时取样。
The Laser supply that is charged by constant electric current . has high energy and long pulse width was developed for laser welder. It has been used for several years.
为激光焊机研制的恒流充电、高能量、长脉冲输出脉冲激光电源,运转数年,表明这种电源安全、可靠、省电、故障率低。
The result indicates that the single pulse energy and the Angle of divergence of output laser decrease, but the pulse width of output laser increases with the increase of the OPO cavity length.
结果表明,随着OPO腔长的增加,单脉冲输出能量、光束发散角减少,而脉冲宽度增加。
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