本文测量了X光预电离脉冲雪崩放电准分子激光增益的时间和空间特性。
Time dependent gain characteristics and gain spatial distribution of X-ray pre-ionized pulse avalanche discharge XeC1 excimer laser have been measured.
研究了气体组份和峰化电容对紫外光预电离脉冲HF激光器性能的影响。
The influence of the peaking capacitor and the pressure of mixture gas on the performance of UV preionized pulsed HF laser is investigated.
仪器主要包括常压空气网栅脉冲电离室,信号放大与甄别和单片机系统。
Emanometer is composed of normal atmosphere air mesh grid pulse ionization chamber, signal magnify and screen unit and MCU system.
进而利用雪崩电离的机制对实验现象给予了解释,并提出了等效脉冲的概念。
This phenomenon was explained with the avalanche ionization mechanism and the concept of the equivalent pulse was proposed.
针对宁西京教授提出激光脉冲延时方案,在含时薛定谔方程理论框架下探讨了各种参数对激光共振电离效率的影响;
The influences of some relevant parameters on resonance ionization efficiency in the recent laser pulse time-delayed scheme were analyzed with the framework of time-dependent Schrdinger equation.
数值计算中考虑了两个上能级的自发辐射速率,给出了脉冲能量的空间演化及电离粒子在空间的分布。
The spontaneous relaxation of upper levels is considered in numerical solutions. The calculation results show the evolution of pulse energy and the distribution of ionization particle.
本文给出了对高功率横流CO_2激光器脉冲预电离过程的理论和实验研究。 表明了预电离过程中光电离的重要作用。
The experimental and theoretical studies on the pulse preionization of high power CW CO2 laser are presented in this paper and the photoionization process ia emphersized.
本文首次报道一种专门用于记录飞秒激光引发空气电离动态过程的脉冲数字显微全息光路。
We report, for the first time, a specially designed set-up of pulsed digital holography for micro - recording of air-ionization process induced by femto-laser.
利用光脉冲的啁啾效应,可以抑制拉比振荡实现高效率的光电离。
The using of chirped laser pulse can restrain the Rabi oscillations and realize high efficiency of photoionization.
分析表明要想使高次谐波获得相位匹配,需要超短脉宽的驱动脉冲以及电离能大的气体工作介质。
The calculations show that a ultrashort pulse laser and the medium with higher ionization potential is necessary for generating higher order phase matched harmonic.
用三台可调谐脉冲染料激光器三步共振电离方法,测量了铀原子在电离限附近的能级。
A large number of levels of atomic uranium near the ionization limit have been studied using three-step resonant ionization method with three pulsed tunable dye lasers.
文章介绍了原子团簇在超短脉冲强激光场的作用下的加热、电离和膨胀等机制。
Very intense X ray emission, high energy ions and neutrons with energies up to MeV have been produced in the interaction process of ultrashort laser pulses with atomic clusters.
数值计算中考虑了两个上能级的自发辐射速率,给出了脉冲能量的空间演化及电离粒子在空间的分布。
The spontaneous relaxation of upper levels is considered in numerical solutions. The calculation results show the evolution of pulse energy and the distribution of ionization …
脉冲调制可以用来控制偏置电压和电离。
Pulse modulation may be used to control a bias voltage and an ionization.
利用经典理论采用辛算法计算了一维氢分子在超短强激光脉冲作用下的存活、电离、解离和库仑爆炸的动力学行为。
The survival, ionization, dissociation and coulomb explode dynamics of a one-dimensional model of molecular hydrogen H2 under intense ultrashort laser pulses were classically simulated.
在多个短脉冲驱动时,除了与严重过电离的复合等离子体有关的实验外。理论模拟与实验也基本符合。
And in the case of multiple-pulse, theoretical simulations are also consistent with experiments except the experiments with seriously over-ionized recombination plasmas.
采用了一种新颖的螺旋形横向脉冲预电离结构。
A novel spiral transversely pulsed preionization scheme is employed.
通过改变激光脉冲的线宽研究了铅原子非共振7 -光子电离速率和激光统计性的依赖关系。
The dependence of the 7-photon ionization probability of lead atoms on the statistical properties of laser pulse has been analysed by varying the spectral bandwidth of the laser pulse.
本文简要介绍了用于激光共振电离质谱实验的低噪声脉冲放大器的设计思路、实现的要点及其测试结果。
This article briefly describes the thoughts, key points and test result of a low noise pulse amplifier used in Laser Isotope Mass Spectrometer.
研究了在激光脉冲能量和激光脉冲宽度一定时激光光斑面积对多光子电离离子产量的影响。
The laser facula area has some effects on the ion yield of multi photon ionization process.
从理论上研究了N_2和CO分子在双激光脉冲场中的准直电离以及分子几何学准直的具体机制。
We study dynamic alignment and alignment dependent ionization probabilities of N_2 and CO molecules in a double-pulse laser field, and the origin of molecular geometric alignment.
穿过电离层脉冲时间偏度数值为负,表明能量分布偏向上升沿。
The temporal skewness of trans-ionospheric pulse is negative, which means its energy is shifted to the leading edge.
基于光电效应原理。我们设计了一个新型脉冲激光光电子枪,它可以作为飞行时间质谱的电子碰撞电离的电离源。
Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer.
利用电离层垂直探测中的组合脉冲控制和回波相位测量分析方法,开发并实现了一种电离层扰动观测模式。
This paper presents and realizes an ionospheric disturbance observation mode by using combinational pulses control and echo's phase measurement analysis in ionospheric vertical sounding.
电离层对电磁脉冲传播的影响可以用一个频域的电流密度来描述,在时域则等效为一附加的电流密度和电导率。
Additional current density, which is a function of frequency, can be used to describe the effect of the ionosphere in the process of electromagnetic pulse propagation.
目前,电离子导入仪主要采用的是直流电激励导入,或是脉冲电导入的方法。
At present, iontophoresis apparatus is a method that direct current power supply, or pulse electric current power supply.
深入研究了激光在厚介质中传输引起激光参数的变化,以及激光功率、脉冲形状、脉冲宽度、三束激光的时间不同步对电离几率的影响。
It was found that the laser transfer in a long distance causes evolution of laser parameters. Laser power, laser pulse shape, pulse width and time ste...
采用延迟脉冲场电离方法测量了各斯塔克能态在不同外电场下的寿命。
The lifetimes of the Stark manifold states are measured by using delayed electric field ionization.
采用延迟脉冲场电离方法测量了各斯塔克能态在不同外电场下的寿命。
The lifetimes of the Stark manifold states are measured by using delayed electric field ionization.
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