1、

The spectrally noncritical phase-matching SHG in the pump depletion regime is researched. The influence of reconversion and third-order nonlinearity on the conversion efficiency, as well as on pulse shape and spectral distribution is analyzed theoretically.

研究了中、高功率密度泵浦下的折返点匹配宽带倍频特性,分析了相位失配引起的逆转换、三阶非线性效应对转换效率、脉冲形状和光谱分布的影响及机制。

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2、

The theoretical research shows that the SBS induced damage mostly happens at the entrance surface of pump laser and the threshold intensity is inversely proportional to laser pulse width and the interaction length.

研究发现,SBS作为一种破坏机制,表现为前表面破坏,且破坏阈值与激光脉宽以及作用区长度均成反比。

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3、

The strong pump pulse will change the spectrum of weak signal pulse by the XPM effect as a result that the time domain waveform of weak signal pulse is also changed remarkably by combining the dispersion effect.

受交叉相位调制作用的影响,强泵浦脉冲将改变弱信号脉冲的频谱,在联合色散效应后,弱信号脉冲在时域上的波形也将发生显著改变。

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4、

Measurement method of time jitter between pump laser pulse and RF wave by the charge change in photoinjector

光阴极微波电子枪中激光脉冲的时间抖动测量

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5、

Frequency-doubled light from a repetitive pulse and mode-locked YAG laser of thermally stable cavity was used to synchronously pump a R-6G-dye laser.

用热稳定腔主被动锁模重复率脉冲YAG激光器的倍频光,同步泵浦R6G染料激光器。

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6、

Flow rate of cosine gear pump and analysis of its pulse characteristics

余弦齿轮泵的流量及其脉动特性分析

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7、

Research and Numerical Analysis on Pressure Pulse of Low-consistency Centrifugal Pulp Pump; a form of casino in which face cards have extra point values.

离心式低浓纸浆泵压力脉动的研究及数值模拟卡西诺纸牌的一种,花牌有其另外得分值。

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8、

Tests and analysis on the pressure pulse of pumped-storage unit

抽水蓄能机组压力脉动的测试与分析

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9、

The pulse energy requirement for the pump laser may be substantially lower at a pulse width close to the optimum.

当泵浦脉宽与最佳泵浦脉宽相近时,所需泵浦脉冲能量最小。

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10、

Adverse events have included unintended "shocks" from neurostimulators, insulin pump malfunctions, and transient changes in pacemaker output pulse rate.

这些有害事件包括神经刺激器出现意外“震荡”,胰岛素泵功能失常,心脏起搏器输出脉率的短暂改变等。

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11、

Local control is that users can control metering pump stroke and pulse frequency via panel buttons. Remote control is that users can use remote PC to operate the microcontroller through CAN-BUS to achieve the purpose of controlling the metering pump.

本地控制是指通过面板上的按键来控制计量泵的行程和脉冲频率;远程控制是指PC机通过CAN总线对单片机进行远程操作从而达到控制计量泵的目的,并且通过界面显示监控计量泵。

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12、

Through solving the rate equation of four level energy system, the result that the response time of Nd: YAG laser pumped by xenon lamp is proportional to the pump intensity of light sources is calculated by taking ideal rectangular pulse light source as pump light source.

通过求解四能级系统速率方程,计算出以理想的矩型脉冲光源做为泵浦光源,氙灯泵浦的Nd:YAG激光器响应时间与光源泵浦强度成正比。

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13、

the results show that the threshold distance of srrs decreases with increasing the intensity and the pulse width of the pump laser.

研究结果表明:SRRS效应的阈值距离随着泵浦光强度和脉宽的增大而变短;

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14、

based on q switched diode-pumped solid-state ( dpss) nd: yag laser, the single pulse interval laser surface micro-machining technology was adopted to machine the surface of gray cast iron.

在声光调Q二级管泵浦固体光源(DPSS)Nd:YAG激光器基础上,采用单脉冲同点间隔多次激光微加工工艺,对灰铸铁材料进行表面微造型加工。

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15、

The threshold condition of low gain broadband-pulsed excimer laser is closely relative to the pump pulse.

低增益、宽带脉冲准分子激光的阈值条件和其激光泵浦脉冲有密切关系.

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16、

The present problems of YB _ 1-100 vane pump are high noise, large pressure pulse and poor stability.

YB_1—100叶片泵存在噪声高, 压力脉动大,性能稳定性差的问题.

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17、

In the course of transmission, mud pulse signal mainly disturbed by drilling pump, engine in the bottom hole, air bladder contained in mud and movement of drilling equipment.

泥浆脉冲信号在传输过程中主要受钻探泵、井底动力机、泥浆中的气泡及活动钻具的干扰;

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18、

At a given pump power whose gain parameter is in the small signal regime, the time delay and pulse broadening factor increase with the increasing gain coefficient, whereas decrease with the increasing gain bandwidth and effective mode area. 2.

在固定泵浦功率并保证增益参数在小信号条件下,时间延迟和脉冲展宽因子均随着增益系数的增加而增加,随着增益带宽和有效截面积的增加而减少。

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19、

For the first type, the pulse duration and bandwidth both enlarge with the increase of pump.

第一种随泵浦功率升高,脉冲宽度及光谱宽度均增大。

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20、

Under the condition that the engaged line initial displacement is influenced by modified tooth form, the formulas of the flow pulse rate of the second type compound gear pump was deduced.

简要说明了修正时对啮合点初始位移的影响,给出了修正齿形的第2类复合平衡齿轮泵流量脉动率公式。

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