pulse laser

Finite Difference Method for Thermal Analysis of Femtosecond-Picosecond Pulse Laser Ablation on Metal Surface

飞秒、皮秒激光烧蚀金属表面的有限差分热分析

In this paper, the time-resolved spectrum measurement instrument has been improved and optimized based on what we have done, the real experiments for measuring time-resolved spectrum of Xe flash-lamp and time-resolved spectrum of matter under pulse laser shocking were made.

本文在本科研组已有工作基础上改进和优化了时间分辨谱测量方法和装置，对Xe闪光灯脉冲时间分辨光谱进行了成功的实测，对脉冲激光冲击靶材的辐射谱进行了时间分辨测量。

The results show that for the given laser flux and target thickness, the spallation is possible only for the laser pulse duration within a certain range and, furthermore, the lowest laser flux for spallation corresponds to the optimum laser pulse duration.

本文结果指出，对于一定的激光通量和靶板厚度，只有一定范围内的激光脉宽才能造成层裂，最低激光通量则对应于最佳激光脉宽。

A novel adjustable pulse laser based on phase control of the coherent beam combination is proposed.

这种脉冲激光产生技术为大功率、可调脉冲激光的产生提供了一种新的途径。

Mie scattering algorithm is introduced and scattering irradiation of pulse laser with 1.

介绍了米氏散射的基本算法,利用米氏理论计算波长1.

The method for third harmonic generation of double wavelength and double pulse laser is proposed.

提出双波长双脉冲激光产生三次谐波的方法。

It is an effective method that using short pulse laser to measure the backscattering of a remote target under test and analyzing trace gas distribution in atmosphere with differential absorption.

它是一种利用短脉冲激光测量远程待测目标的后向散射光，差分吸收式分析大气中尾气污染物分布的有效方法。

In this article a comprehensive analysis of the extinction tese theory for the pulse laser rangefinder has been provided.

本文对脉冲激光测距机消光比测试原理进行了详尽分析。

Amorphous carbon films were deposited on single crystalline silicon and K9 glass by pulse laser with different negative substrate dc biasing.

在不同的负直流衬底偏压下，用脉冲激光沉积法在单晶Si和K9玻璃衬底上沉积水晶碳膜。

Numerical calculation of the electron-phonon coupling relaxation time in pulse laser ablation

脉冲激光烧蚀中电声弛豫时间的确定

Super-hard amorphous carbon films were deposited on such substrates as single-crystalline silicon and K9 glass by pulse laser ablating graphite target.

本文研究用脉冲激光烧蚀石墨靶方法在单晶硅、K9玻璃等衬底上生长超硬非晶碳膜。

Fluctuating Threshold Circuit Based on Constant Fraction Discrimination for Pulse Laser Fuze

脉冲激光引信恒比定时浮动阈值电路

Study of Structure and Photoluminescence Properties of the ZnO Thin Film Deposited by Pulse Laser Deposition

脉冲激光沉积制备ZnO薄膜及其发光性质研究

The mechanical shock and thermal impact in the machining process of discontinuous grinding polycrystalline diamond with slotted diamond wheels were investigated systemically by the simulation experiments of ultrasonic vibration and pulse laser heating respectively.

分别采用超声振动冲击和脉冲激光加热技术对开槽金刚石砂轮断续磨削加工聚晶金刚石过程中的机械冲击和热冲击进行了模拟实验研究。

After simulation of MATLAB proof method is feasible, and carries on test to digitized pulse laser signal processing system, receives the good results.

经MATLAB仿真证明方法可行，并对数字化脉冲激光信号处理系统进行实验测试，收到良好效果。

So sets of high-energy ultrashort pulse-laser systems had been upbuilt in several countries and we need to develop our technique of ultrashort pulse-laser to upbuild high-energy ultrashort pulse-laser system too.

本文首先回顾了超短脉冲激光技术发展的历史，分析了目前飞秒激光的现状，并且讨论了建立高功率短脉冲激光装置的关键技术。

Study on the Use of Ultra-Short Pulse Laser Modulation in the High Time-Resolved Spectrometer

超短脉冲激光调制在时间高分辨光谱仪中应用的研究

This report presented a detailed study on parameters and mechanisms of paintcoat laser cleaning with YAG pulse laser. Three paintcoats with different colors were cleaned and the results were presented.

研究了YAG脉冲激光除漆的工艺参数和机理，给出了脉冲激光清洗3种颜色漆层的实验结果。

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。

Thermo-mechanical Coupling of Metal Thin Film Under Short Pulse Laser Heating

金属薄膜短脉冲激光冲击热机耦合问题

Measurement of Velocity-time Relation in Unsteady Flow by using Plasma Tracers Formed from Sequential Pulse Laser

用序列脉冲激光等离子体示踪方法测量非定常流的速度&时间变化

The thermoelastic generation stress pulse in a semi-infinite strongly absorbing solid when a pulse laser is incident on its surface is studied.

对梯形激光脉冲入射到半无限强吸收固体媒质中热弹激发的超声应力脉冲进行了研究。

Numerical simulation for thermal field of intense pulse laser ablation on metal surface

强脉冲激光金属表面烧蚀热场的数值仿真

Transient Photoconductivity of Hydrogenated Amorphous Silicon Studied by Using Pulse Laser

用脉冲激光研究氢化非晶硅的瞬态光电导

The photoelectricity switch IC used to measure the peak wavelengh can greatly promote the signal-to-noise ratio of the measured narrow pulse laser and detect the near infrared laser signal and visible wavelength laser signal.

设计了一种基于瞬态峰值检测的光电转换集成电路，能显著提高测窄脉冲激光时的信噪比，使系统能有效地监测其波长在可见光区和近红外区的各种激光信号。

We have fabricated the tuning section using interdigital YBCO electrodes and a STO thin film by the pulse laser deposition method and have investigated its tuning properties by using a scanning microwave near-field microscope.

我们采用YBCO作为STO薄膜的驱动电极，使用脉冲激光沉积的方法制备了叉指结构的电调薄膜.利用微波近场显微镜测量了电场对STO薄膜的介电性质的影响。

3D and transient distributions of temperature and thermal stress in repeated pulse laser crystal were calculated when pumped by kilowatt grade and 520 μ s duration.

计算出了千瓦级泵浦功率，520μs脉冲宽度，重复频率状态下晶体瞬时三维的温度和热应力分布。

Third Harmonic Generation of Super Intense Femtosecond Laser Pulse

超高强度飞秒脉冲的三次谐波转换

In those fields of Laser Isotope Separation ( LIS), laser chemistry, laser guide star ( man made star) technology, etc, in order to increase the utility efficiency of the pulse laser, to stretch the pulse duration is needed.

在激光分离同位素、激光化学、激光导星（人造星）技术等领域，为了提高脉冲激光的利用效率，需将激光脉冲展宽。

Ultrashort laser pulses include picosecond ultrashort pulse, femtosecond ultrashort pulse and attosecond ultrashort pulse.

超短激光脉冲指脉冲宽度为皮秒、飞秒或阿秒量级的激光脉冲。