Fiftyyears ago this Sunday, Theodore Maiman and his fellow scientists atHughes Research Laboratory shined a high-power flash lamp on a rubyrod, triggering a beam of coherent light: the first laser.
50年前的这个星期天，休斯研究实验室的西奥多.梅曼和科学家用高功率闪光灯照射红宝石棒，引发光束相干：第一台激光器 。
Nor is it possible simply to crank up the power of the source beam, because infra-red light at high intensity can cause eye damage.
他说，“多数光不会你想让它到哪它就到里”。 也不可能简单地增强光束的强度，因为高强度的红外光会伤害人眼。
A practical high-power CO2 laser welding and cutting equipment with high beam quality was introduced, the optical system was analyzed.
介绍了一种实用型高功率、高光束质量CO2激光焊接、切割机，分析其光学系统。
The laser beams automatic alignment system is applied to adjust multiple beam paths accurately in the high power laser facilities.
光束自动准直系统应用于大型高功率激光装置的多路光束的精密准直调整。
A beam of high radiant power will have high divergence.
高辐射功率的光束会有高的发散度。
The analysis has proved that fiber laser through coherent beam combination must be necessary for the future airborne soft killing high power laser source.
分析表明相干组束光纤激光器是未来机载软杀伤高功率光源的必然选择。
The high-current electron beam in the over-mode waveguide had driven the many kinds of microwave modes, it is very significant to study the high power microwave by measuring the microwave mode.
强流电子束在过模波导中可能激励多种微波模式，测量微波模式对研究高功率微波产生的机理很有意义。
The double-clad fiber laser has the advantages of simple structure and high reliability, high output power, high conversion efficiency, high beam quality.
它具有结构简单紧凑、输出功率高、稳定可靠、光电转换效率高、光束质量好等优点。
Numerical examples show that FHT is a useful fast algorithm to simulate the beam propagation through a large high power laser amplifier system with cylindrical symmetry.
数值计算例表明，用快速汉克尔变换来模拟柱对称大型高功率激光放大系统中的光传输时，是一种非常有用的、快速的算法。
The paper purpose is to improve output power on the precondition of maintaining high beam quality.
本论文的目的主要是在保证激光器高光束质量的前提下提高激光器的输出功率。
Imported optical mirror, reduce wastage of laser power, high quality of light beam.
进口光学激光镜片组，激光功率光损耗低，光束质量好。
Nowadays, the mainstream of far field beam smoothing technology adopted by foreign high power laser drivers is smoothing by spectral dispersion (SSD) based upon sinusoidal frequency modulation.
目前，国外高功率激光驱动器实现远场分布平滑化的主流技术是基于正弦调频脉冲的光谱色散平滑技术(SSD)。
Coherent beam combination of fiber laser array is an important technology in realizing high power fiber laser system.
光纤激光相干合成技术是实现高功率、高亮度光纤激光系统的重要技术途径。
This article indicates in an experimental way that Metglass can be gained with high power density laser beam shining the surface of an alloy.
本文用实验方法表明，用高功率密度激光照射合金表面可获得金属玻璃。
The window and its coating of the Raman cell are easily damaged by the laser beam with very high power laser.
在高功率激光作用下，拉曼池窗口及其膜层很容易被激光损坏。
As a means of phase conjugation. SBS (stimulated Brillouin scattering) can increase the power of solid lasers with high beam quality.
受激布里渊散射作为相位共轭的一种手段可以在保证光束质量的前提下有效地提高固体激光的功率。
A solid state laser operated at lower-order mixed mode possesses both advantages of high output power and good beam quality.
当固体激光器运转在低阶混合模时，既可得到较高的功率输出，又可保证较好的光束质量。
How to improve the output energy and beam quality were two most noteworthy problems in the building of high power solid-state laser facility.
提高系统能量转换效率与输出光束质量一直是研制高功率固体激光系统极为关注的两类重要问题。
High power microwave (HPM) is one among the new power beam weapons and much progress has been made in many countries lately.
高功率微波武器是近几年许多国家竞相研制的新型能束武器之一。
Results EBCT had the advantage of high speed in scanning and high resolving power of time without mechanical abrasion due to the using of electron beam.
结果：电子束ct使用电子束的磁偏转代替球管机械运动，既加快扫描速度，又减少机械磨损，有很高的时间分辨率。
Beams combination is the only way for development of high power and high beam quality solid state lasers.
光束合成是研制高功率、高光束质量固体激光器的必由途径。
In high power laser system, a small size phase-distortion wavefront measure is necessary to compensate and control the wavefront of laser beam with intermediate frequency.
在高功率激光系统，激光束小尺度相位畸变波前探测是实现激光束中频段波前补偿与控制的重要前提。
Because temperature rise of the exposed region must meet the requirement of diffusion experiment, high power density of the incident laser beam is necessary.
要使曝光区温度达到扩散实验要求，必须使曝光区功率密度很高。
The output parameters such as beam divergence angle in far-field output power of high power solid state lasers are variable due to thermal effect of optical pumping.
由于光泵浦热效应，高功率固体激光器的输出参数如光束远场发散角、输出功率等会发生变化。
The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO_2 laser beam with low and high power density.
研究了八种金属材料表面涂布绝缘和非绝缘粉末层在低功率密度和高功率密度的CO_2激光作用下的吸收特性。
Effect of thermal lensing is the main obstacle of getting high power and good beam quality in laser diode (LD)-pumped solid-state lasers.
在高功率激光二极管抽运固体激光器中，热效应已成为获得高输出功率和高光束质量的最大阻碍因素。
As a convenient and cheap cathode, velvet can emit intensive electron beam and is widely used in high power electron devices.
天鹅绒阴极能够产生高亮度强流电子束，并且成本低、使用方便，在强流高功率单脉冲电子束装置中得到了广泛的应用。
The free vortex aerodynamics window is used to be the window of high power laser beam, which takes advantage of the centripetal force of the free vortex motion of fluid.
自由旋涡气动窗口是利用流体微团作自由旋涡运动的离心力来平衡大气与光腔压力差，来作为高能激光束的输出窗口。
The diagnostic instrument can be used in the diagnosis of beam and focus of high power laser.
本诊断仪适用于激光加工用的大功率激光的光束光斑质量诊断。
To solve the problems of low efficiency and high power consumption and inconvenient parameter adjustment of beam pumping units, a motor-reversing type pumping unit is developed.
为了解决游梁式抽油机效率低、能耗高和调整参数复杂等问题，研制开发了电动机换向智能抽油机。
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