An all-fiberized master oscillator power amplifier(MOPA) structured pulsed Yb fiber laser is reported.

报道一台全光纤构主振荡功率放大(MOPA)型掺镱脉冲光纤激光器。

The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated.

分析飞秒激光脉冲在大气中传输时光丝的形成机理。

It has a laser welder, a video display screen, and a buzzsaw.

它装备一部激光焊机、一部视频显示屏和一个圆锯。

Sophisticated laser experiments are performed regularly in the laboratory.

复杂的激光实验定期在实验室举行。

(2) the mechanical excircle drum scanning laser imager.

2．板滞式边方滚筒扫描激平照排机。

And traditional rotating mirror, bolographic refringence microscopic engage laser beam scanning in sencitivity on imamging.

和古板回旋扭转背不同，全息不直是让激平束扫描在感平质料上成像的机构。

The morphologies of several polyfluoroethylene oils were studied by small angle laser light scattering.

本文用激光散及偏光显微等技术剖析几种氟油的聚集态构。

At present there exist two kinds of manufacturing met hods for silicon-based lasers,i.e.,heteroepitaxy and bonding.

目前制作硅基激光器的方法主要分为两类，异质外延生长和异质材料键合。

It's more automatable and easier to repair shafts using laser overlaying welding technology.

数控编程等手段的运用大大工作效率 ,降低现场操作的难度。

To verify the curative effect of He-Ne laser in the treatment of acne indurate cystica.

验证氦氖激光治疗节囊肿性痤疮的疗效。

Objective To evaluate the treatment effect of gingivoplasty with Argon laser.

目的评价氩离子激光龈成形术临床使用效果。

Intersatellite laser communication is the best way to solve bottleneck intersatellite communication.

卫星激光通信是解决星间通信"瓶颈"的最佳方法。

The method of two point probe focus is proposed to resolve the proble m of the jog of focus, and unitization processing is used to eliminate the chang e of laser power.

出采用两点探焦法解决刻划时焦点的跳动问题，采用归一化处理消除光强波动对调焦精度的影响。

The gain characteristics of the collective free electron laser operating in a superradiant amplifier have been studied through the variation of the interaction length and pumping magnetic field.

工作在超辐模式下的集体区自由电子激光器的增益特性研究可以通过改变互作用区长度及泵浦强度来进行。

Some theories related to particle scatterance and the structure as well as the fundamental principle of the facilities for testing laser signal from multiple angles have been introduced.

介绍粒子散相关理论以及激光粒子信号多角度检测装置的构成与基本原理,并详细描述对烟与干扰气溶胶粒子的多角度散特征进行采集、处理和分析的过程。

A new type of digital phasometer applied to the infrared laser position-tracking system of mine hoister is introduced in the paper,which is based on FPGA and FFT algorithm.

主要介绍在矿井升机红外激光位置跟踪系统中一种新型数字鉴相器的研究方法,该方法是基于FPGA器件运用FFT算法完成的。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟踪雷达，激光测距经纬仪和跟踪系统，测速系统和舰载计算机去跟踪和控制宇宙飞船。

The crymotherapy, the acupuncture point bury the line, the needle long time, the laser, the micrite to rub the skin and so on to belong to the physiotherapy.

冷冻疗法、穴位埋线、针久、激光、微晶磨皮等都属于物理疗法。

Quantum well intermixing induced by impurity diffusion has been used in fabricating nonabsorbing windows in the cavity facets to improve the output power of high-power laser diodes.

杂质扩散诱导量子阱混杂技术可用于制作腔面非吸收窗口, 大功率半导体激光器的输出功率。

Murphy's primary method will be something called "laser ranging."Light from a laser fired from the Earth could hit a reflector on the surface of the moonbounce back.

Murphy的基本方法将是"激光测距"，从地球上发出的激光打到设在月球表面的反器上，反回地球。