Experimental Study on Hundred-Watt Output Power High Repetition Rate Narrow Pulse Duration Fiber Lasers 百瓦级高重复频率窄脉宽光纤激光器实验研究
In view of application of medium pulse repetition frequency pulse Doppler ( MPRF PD) radar, a main-lobe clutter suppression filter is designed. 针对中重频PD雷达应用背景,设计了一种主瓣杂波抑制滤波器。
High Repetition Rate Nanosecond Pulse Fiber Amplifier Based on China-Made Large-Mode-Area Fiber 基于国产大模场面积双包层光纤的高重复频率纳秒脉冲光纤放大器
The experiments show that with large pulse width and high repetition rate of pump pulse, the dependent jitter scope of output laser pulse with pump pulse is increased. 结果表明在抽运时抽运脉宽和重复率较大的情况下,输出激光脉冲相对于抽运脉冲抖动范围明显加大。
Transmission technigue of repetition pulse and intense current electron-beam 重复脉冲强流电子束传输技术研究
Repetition Pulse High Voltage Spark Gap 重复脉冲高压火花放电球隙
At the same time, the experiment of multimode crystal fiber to improve the beam quality of MOPA DPL with high repetition rate and narrow pulse width were carried out in this paper. 本文还开展了多模石英光纤应用于窄脉冲、高重复频率MOPADPL系统改善光束质量的实验研究。
A diode-pumped electro-optic ( E-O) Q-switched master oscillator power amplifier ( MOPA) all-solid-state green laser with high repetition rate and high pulse energy is demonstrated. 介绍了激光二极管抽运的高重复频率、大能量绿光固体激光器研制成果。激光器采用电-光调Q,主振荡功率放大器(MOPA)结构。
The dependences of pulse width, pulse repetition rate, pulse energy and peak power on pump power are measured with different thickness of GaAs. 测量了GaAs不同厚度情况下的脉冲重复率、脉冲宽度、单脉冲能量及峰值功率随抽运功率的变化关系。
The repetition pulse power supply not only has been used in accelerator, but also can be applied in other pulse power technology fields. 它是为某强流粒子束加速器整机配套而研制的,但也可发掘其在其他脉冲放电领域中的应用。
The rational harmonic mode-locking has become a research subject of intense interest due to its application on the generation of ultra-high repetition frequency optical pulse train. 有理数谐波锁模技术是产生高速超短脉冲的重要技术之一,其光时分复用通信技术等领域中有重要的应用价值。
In this paper, The experimental results judged feasibility of kHz repetition rate laser pulse output in Nd: YAG are introduced. 本文介绍用Nd:YAG激光器进行输出千赫重复率激光脉冲可行性判断实验结果。
In the case of repetition mode of the pulse power supply, Fast charging circuit is designed to enhance the stabilize and charging efficiency of the DC power supply. 为满足脉冲电源重复频率运行时直流电源的稳压性问题,设计了晶闸管快速充电自停自补单元,同时也提高了整个电源系统的效率。
10 J/ 0.4 ms Repetition Pulse Nd: YAG Laser 10J/0.4ms重复脉冲Nd:YAG激光器
Influence of Pulse Repetition Rate and Pulse Energy on Ablating Normal Human Postmortem Aorta by Excimer Laser 脉冲频率和单脉冲能量对准分子激光消蚀人尸正常主动脉的影响
The repetition frequency of pulse trains was several MHz. 输出锁模脉冲的基频为几兆赫兹。
Additionally, both the alteration of the pump power and that of the repetition rate influence the pulse width. 讨论了抽运光功率和重复频率对激光脉宽的影响。
The influence of pulse repetition rate and pulse energy on ablation procedure was evaluated by observing tissue morphological changes of ablation crater and by measuring depth of ablation with light microscopy. 光镜下观察消蚀坑的组织形态学变化并测量消蚀坑深度,研究脉冲频率和单脉冲能量对消蚀过程的影响。
High repetition rate sequence pulse Nd; YAG laser 高速率序列脉冲Nd:YAG激光器运转分析与实验
Gain-switched Nd~ ( 3+)∶ YVO_4 microchip laser with high repetition rate short pulse output 高重频短脉冲输出的增益开关型Nd~(3+)∶YVO4微片激光器
Theoretical and Experimental Researches on the High Repetition Rates Pulse Ti: sapphire Laser 高重复频率脉冲钛宝石激光器理论与实验研究
Development of New Type High Power and High Repetition Rate Pulse Power Supply 新型高功率高重复频率脉冲电源研制
The output power, pulse repetition rate and pulse width of the Stokes laser were investigated versus the pump power. The fine spectrum and typical pulse of the Raman laser were recorded and analyzed. 3. 研究了拉曼光功率和脉冲重复率,脉冲宽度与泵浦功率的变化关系,测量并分析了&阶斯托克斯光的精细光谱和脉冲波形。
Recently high repetition rate and short pulse width lasers play an increasingly important role in the fields of laser communications, laser radar, laser measurement, laser medical and laser micro-processing and so on, as these fields attracted more and more attention. 随着激光通信、激光雷达、激光测量、激光医疗和激光精细加工等领域备受关注,高重复频率窄脉宽激光器扮演着越来越重要的角色。
Using the rate equation to analysis the inherent relations among the output power, the repetition rate and the pulse width. It is reported that the ratio of Ni/ Nt is an important factor to the output parameter. 通过电光调Q速率方程分析了影响脉冲输出功率、重复频率和脉冲宽度的参数,得到超阈度是影响输出参数的一个重要的比值。
Subsequently, the various factors that distribute to the impact of the power spectral density are analyzed, and the conclusion is that distribution of power spectral density can be controlled by adjust the sequence characteristics, pulse repetition frequency and pulse energy spectral density. 随后分析超宽带信号频域分布的影响因素,得到的结论是:对功率谱分布的控制可以通过对已调序列特性、脉冲重复频率和发射脉冲能量谱密度的设计得到实现。
In this dissertation, it uses the instantaneous correlation algorithm. It can gain a high recognition rate of signals with less operation. Next, it introduces the extraction method of the time-domain parameters such as pulse width, pulse repetition rate and pulse range. 在以后的章节中,本文将采用基于瞬时自相关的瞬时频率提取方法,该算法运算量小,提取速度快。接下来介绍了雷达脉冲的宽度、重复间隔和幅度等时域参数提取方法。
The pumping system and thermal design of metal vapor laser were introduced in detail, and the relevant parameters of the Ne-CuBr UV laser in high repetition frequency longitudinal pulse discharge were calculated accordingly. 详细介绍了激光器的泵浦系统和热设计,并对纵向高频脉冲放电的Ne-CuBr紫外激光器中的相关参量进行了计算。
The seek pulse signal through the pulse pumped MOPA amplifier stage in different pump pulse width and repetition rates. The pulse pumped amplifier results have been analyzed and compared with the theoretical results. 实验中通过改变泵浦脉冲重复率和脉冲宽度,观察了被放大的脉冲信号,分析了放大结果,并与理论计算结果进行了对比。