A laser beam like the one pictured up top combines short and long pulses of light to identify individual molecules with a high degree of precision from a safe distance.
一道激光射线由或短或长的光脉冲组合而成,从而能在一个安全的距离高精度地辨别单个的分子。
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 。
The climb must be powered by a high-powered ground-based light or laser aimed at a cell facing Earth, a concept known as power beaming.
升降装置必须由地面上的大功率的光或激光来提供能量,光或激光对准面向地面的电池。这就是所谓的“电力集束”概念。
Using the fiber laser as light source, Stable performance, High photoelectric conversion efficiency, Low energy consumption.
采用光纤激光器作为光源,性能稳定,光电转换效率高,能耗低。
Skin irradiation with high-power pulsed laser light induces a thermal shock which stimulates fibroblasts to produce new collagen.
其是利用高能脉冲激光照射皮肤,产生热震,刺激成纤维细胞产生新的胶原。
That finite limit on how intense a laser can get is hypothesized to exist because, at sufficiently high energies, matter can be created out of light.
激光器发射出的激光强度有限值,通常是假设存在的。因为它在能量达到相当大时,光可产生电子。
The result showed that EDTA with high concentration has evident effect on light scatter of KDP crystal but not laser damage threshold and homogeneity.
结果表明,高浓度EDTA对KDP晶体光散射有明显的影响,但对光学均匀性和光损伤阈值无明显影响。
High voltage pulsed electrodeless discharge in rare gases can be used as a light source for laser excitation.
高电压无电极强脉冲气体放电,可以用作激光器的激发光源。
Since laser appeared, pure monochromatic coherent light sources of high intensity have been achieved. In many practical problems, there are miscellaneous Fresnel's diffraction calculations.
激光出现以后,人们获得了高强度、高单色性的相干光源,在许多实际问题中,将遇到繁杂的菲涅耳衍射的计算。
Using the continuous sending laser light source and semiconductor photoelectric position sensitive device, a high accurate tri-dimensional non-contact optical measurement system is designed.
利用连续发射的激光光源和半导体光电位置敏感器件,设计了一种三维非接触高精度的光学测量系统。
When flying objects with high speed pass through the laser screen, change of light flux is transformed into electronic signal and sampled by data sampling card and processed by computer.
当高速飞行物体穿越激光光幕时,光通量的变化被转变为电信号并采集到计算机进行数据处理。
Laser polarization control technology and its practical components' study based on liquid crystal light modulator have high theoretical and application values.
基于液晶光调制器的激光偏振特性控制技术及其实用化组件的研究具有较高的理论与应用价值。
Conditions for direct amplification of laser light by high energy e-beams are analysed theoretically in depth.
应用高能电子来直接放大激光的条件,从理论上进行了深入分析。
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。
A linear high speed photographic device with laser back light has been investigated.
本研究建立了一套直线式以激光为背光的高速摄影装置。
Q system, adjustable import acoustooptic light effect is good, light lock loss, high power output for a long time, ensure the stability of laser system.
进口声光调q系统,锁光效果好,光损耗小,输出功率高,确保激光系统长时间稳定工作。
The experimental method used to form doughnut laser trap through axicons and by extracting high order diffractive light component is introduced.
介绍了用锥镜法和取高级衍射光斑法来实现空心光阱的实验方法。
Quantum well laser diodes are of high modulation frequency response. They can be used as light sources and be directly modulated for high bit rate optical communications.
量子阱激光器具有良好的小信号调制频率响应,能作为高速光通信光源采用直接调制方式进行信号传输。
Laser diode is used usually as light source in miniature measuring instrument and communication instrument because of its small volume, high efficiency, simple structure and low price.
小型测量仪及通讯仪器通常采用激光二极管作为其光源,这是因为它具有体积小、效率高、结构简单和价格便宜等优点。
Experimental results show that the fiber laser can achieve visible light output in high efficiency.
结果表明,该光纤激光器能够高效率地实现可见光输出。
The hand-held laser range finder system had such characteristics as small size, light weight, long measurement range, easy operation, ranging error, sealing performance and high reliability.
该手持式激光测距仪系统具有体积小、重量轻、测程远、操作简便、测距误差小、密封性能好、可靠性高等特点。
The convertion of intense laser light into soft X ray radiation during the heatins of high-Zmaterial is an important topic.
光转换是激光—等离子体相互作用中的一个重要研究课题。
As short wavelength light source such as soft X-ray laser is employed in holography, it's possible to generate 3d holograms with high spatial resolution.
软x射线激光全息术采用短波长X射线激光光源,从而可获得空间分辨率很高的三维全息图,但目前它还存在许多问题。
Lightguide exrtra-thin light box is a high-tech laser engraving products with thin and beautiful appearance, energy efficient characteristics, safe and reliable circuit.
导光板超薄灯箱是光的折射和反正技术与激光雕刻相结合的高科技型产品,超薄美观,高效节能,电路安全可靠;
A high-power laser diode module is used as the light source, and a PIN photodiode with high performance is used as the photo-detector.
以高功率半导体激光器作为光源,同时采用高性能的PIN型光电二极管作为光电探测器。
A penetrating opening is formed by irradiating a light-transmitting insulating film with laser light having high intensity and a pulse high in repetition frequency.
通过使用具有高强度和高重复频率的激光照射透光绝缘膜来形成穿透开口。
The utility model relates to a high-power laser optical reflector with a light polarizing axis, particularly an optical reflector seat.
一种偏光轴大功率激光光学反射镜。涉及一种光学反射镜座。
The utility model relates to a high-power laser optical reflector with a light polarizing axis, particularly an optical reflector seat.
一种偏光轴大功率激光光学反射镜。涉及一种光学反射镜座。
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