This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.
这让你对一束激光中有多少个光子有了一点概念。
This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.
这让你对一束激光中有多少个光子有了一点概念。
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
激光有强烈的光束，可以在钻石上钻洞，而且可以被很好地控制，用于精密的眼部手术。
Originally, Keeling measured the speed of light in the air samples with a laser beam.
起初，吉林用激光束测量光在这些空气样本中的传播速度。
When they shone pulses of light at the cell, it duly produced a "beautiful green" laser beam detectable with the naked eye.
当一束脉冲激光照在这些细胞上后，迅速产生了一条“绚丽的绿光”，此时的激光束可直接用肉眼观察。
But because the laser beam is comprised of a single wavelength of light, the conversion to electricity is much more efficient than converting multiple wavelengths of sunlight to energy.
但由于镭射光束是有一单一波长的光组成，它的转化就要比拥有多种光波的太阳能转化成能量效率更高。
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。
Following 133 hours of firing a beam of intense laser light which created nitric acid particles in the air it resulted in binding the water molecules together to create droplets.
在连续133小小时向空中发射密集激光束从而在空中制造出硝酸粒子后，空气中的水分子凝聚在一起形成了小水滴。
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 。
Well, those are the three differences between a beam of ordinary light and a laser beam.
好了，那些是三个不同点在普通光束和镭射光束二者之间。
A small laser in each of the 64 access points in the skull caps shines a light beam that penetrates about 2.5 centimeters into their brains.
头盖帽上有64个接入点，每个接入点里面都有一个小型激光器，他们发送的光束可以穿透到大脑2.5厘米之下。
That's the first difference between a beam of ordinary light and a laser beam.
这是第一个不同点在普通光束和镭射光束之间。
The third difference is this: a beam of ordinary light diverges; a laser beam does not.
第三个不同点是：普通光束分离；而镭射光束却不然。
According to beam properties of the CO2 laser in the laboratory and light spot requirement for laser sintering, a set of laser beam homogenizing equipment is designed in this thesis.
针对实验室用大功率CO2激光的光束特性和烧结陶瓷实验时对光斑的特定要求，本研究从理论设计了一套激光均束装置。
In a LASER printer, a device that USES a modulator crystal to deflect a beam of light and effectively turn it on or off.
在激光印刷机中的一种装置，它利用一块调制晶体使光束偏转并将其接通或断开。
Collimation orthopedics of the array laser diode light beam is a traditional optical technical problem.
阵列激光二极管光束的高效准直整形是传统光学技术的难题。
His experimentation started with using a laser pointer to send a beam of light through a glass of milk (an experiment I recreate below).
他开始试验用激光教鞭派手电光透过一杯牛奶(我再造一个实验段)。
Transmission characteristics of light beam in different media are distinctive. Difference of refractive index of air and seawater is a determination factor that affects laser transmission.
光在不同介质中的传播特性不同，大气和海水折射率的差别是影响激光传输的决定性因素。
The reflected light intensity distribution of the laser beam illuminating the surface of a specimen will broaden as the surface roughness increases.
照射在样品表面的激光束随着表面粗糙度的不同，反射光密度分布将不同；表面粗糙度增大时，反射光密度将被扩展。
A beam of light produced by a laser can weld metals.
激光器发生的光束可以焊接金属。
A novel method for propagating light-knife by the reflection of Gaussian laser beam at a cylinder is put forward and the formula to appraise the geometry parameters of light knife is also derived.
提出一种利用高斯光束柱面反射展成法生成光刀的新方法，并导出了光刀几何参数的预估算式。
In this paper, we bring forth a new optimal design method of Fresnel diffractive lens using in light beam collimation of laser diode.
针对国内外现有半导体激光器准直器件的缺点，提出了一种用于半导体激光器准直的相位型二元菲涅耳衍射透镜的优化方法。
Stray light generated in multi-pass amplification forms a lot of ghost images, which not only seriously influence the Laser beam quality and propagation p rope.
光学系统的杂散光极易在系统内形成多个鬼像 ，这不仅严重影响光束质量和传输特性 ，并可能对系统光学元件造成永久性损伤。
The trick is to use what is known as a "fast Fourier transform" to unpick more than 300 separate colours of light in a laser beam, each encoded with its own string of information.
这种技术是使用“快速傅里叶变换”把一束激光中的超过300中不同的光的颜色的光分解出来，每一种光被编码成它自己的信息串。
In a beam transmission system of a CO2 laser, the reflection mirror can be used as back-view mirror or foldable reflection mirror in the laser cavity, while as a light bender outside the cavity.
在CO2激光器的光束传输系统中，反射镜在激光管腔内被用作尾镜和折叠式反射镜，而在腔外则充当了弯光器的角色。
But, when the doughnut laser beam is used as trapping light, relative index can be less than 1. The beam waist of focused laser beam has a virtual affection for the trapping force.
但是，在空心光束中可以实现对地折射率粒子的稳定捕获，即粒子的相对折射率可以小于1。
The energy source for laser beam machining is a highly concentrated beam of light.
激光切削的能量来源于一束高聚焦光。
The energy source for laser beam machining is a highly concentrated beam of light.
激光切削的能量来源于一束高聚焦光。
应用推荐