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

报道了一台全纤结构振荡功率放大(MOPA)型掺镱脉冲

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

目前制作硅基的方法为两类,异质结外延生长和异质材料键合。

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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.

工作在超辐射模式下的集体区自由电子的增益特性研究可以通过变互作用区长度及泵浦强度来进行。

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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, 提高大功率半导体的输出功率。

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A new dynamic model is developed for simulating the widely tunable grating assisted codirectional coupler with rear sampled grating reflector (GCSR) lasers.

提出了一个新的析模型,用于宽带可调谐GCSR的动态特性模拟。

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Frequency-resolved measurement of the emission from a Eaman free electron laser under superradiation condition by a microwave grating spectrometer are presented.

本文报道了利用微波栅摄谱仪测量在超辐射工作条件下的喇曼自由电子辐射谱的初步结果。

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The semiconductor laser arrays are applied almost in all photoelectronics fields, and becoming an important technique in optoelectronics science at present.

半导体阵列的应用已基本覆盖了整个电子领域,成为当今电子科学的重技术。

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Chemical laser is characteristically energized by an exoergic chemical reaction which produces the nece ssary population inversion of lasing species.

化学是以释能化学反应提供能源, 并且以化学反应产生粒子数反转为基础的。

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In gasdynamics and chemical lasers, the supersonic diffuser plays an important role in the pressure recovery system.

在气动和化学强系统研制中,压力恢复系统扩压设计技术研究具有重的工程应用价值。

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VOA Daily Standard 2018年8月合集

Russia has been designing an airborne laser to disrupt our space-based systems.

俄罗斯一直在设计机载激光器,以扰乱我们在太空中各个系统。

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Vox 观点

And researchers around the world are using giant lasers, including Omega, to study this possibility.

世界各地研究人员都在使用包括 Omega 在内激光器来研究这种可能性。

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科学60秒 听力 2016年11月合集

The chip has two lasers: one shoots continuously; the other pulses at regular intervals.

一个激光器连续不断地发射激光,而另外一个则以固定间隔发射脉冲。

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双语版 TED-Ed 演讲精选

As lasers increase in power, the more internal heat they generate.

激光器功率越大,内部热量就越多。

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活大爆炸 第6季

No, it's a nitrogen laser. It'll cook your eyeball like a softboiled egg.

不,是氮激光器。看一眼,你眼珠就会变成半熟鸡蛋。

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PBS访谈商业系列

So, it's a very, very powerful laser.

所以,它是一个非常非常强大激光器

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华尔街

We went inside one of the world's most innovative and closed off labs to see how it makes synthetic diamonds that are used to build everything from drills to speakers to lasers.

我们走进了一家全球顶尖、高度机密实验室,了解他们如何制造用途广泛人造金刚石——从钻头、扬声器到激光器,都离不开它。

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传说之境

The sail attached to the tiny ships will work much like a sail does on a boat on earth but instead of wind providing the necessary propulsion, it will be a huge 1 square kilometer ground-based array packed with high-powered lasers.

连接在这船只上帆将像地球上帆一样工作,但不是由风提供必要推进力,而是由一平方公里巨大陆基阵列推动,上面布满高功率激光器

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120句

116. The talented specialist usage of a particular ratio of nitrogen and oxygen molecules, indirect solar rays, violet lasers and hybrid atoms in his organized and neat laboratory resulted in a worthwhile discovery.

这位有才华专家在他井井有条且整洁实验室里使用了特定比例氮和氧气分子,间接太阳光,紫光激光器和混合原子,得出了一个有价值发现。

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PBS趣味科普

Some company called “Szalinski Labs” or something was having a going out of business sale, and we thought this laser-y thing would be cool for the show.

名叫 “缩实验室” 公司倒闭清仓,我们觉得这个激光器挺不错

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BBC 听力 2016年10月合集

A fleet of cars equipped with lasers, cameras and other sensors will steer themselves to pick up passengers and negotiate the traffic.

装备着激光器、摄像头和其他传感器一列汽车将自己转向接客人、商议路途。

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Asap SCIENCE 精选

A swarm of sunlight powered lasers, that are zapping the surface of the asteroid, for days and weeks and months and years.

一群太阳能激光器射向行星表面,就这么嗞嗞嗞地照上几天,几周,几个月甚至几年。

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科学大揭秘

In addition, BECs have been used to develop atom lasers, which hold great potential for the precise manipulation of atomic matter.

此外,BECs 已被用于开发原子激光器,它在精确操纵原子物质方面具有巨大潜力。

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乔布斯传

Paul Jobs was then working at Spectra-Physics, a company in nearby Santa Clara that made lasers for electronics and medical products.

乔布斯父亲当时在光谱物理公司(Spectra-Kiysics)工作,该公司坐落在旁边圣克拉拉,为电子设备和医疗激光器件。

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PBS访谈商业系列

And then we're using 11 kilowatt fiber lasers to actually melt the aluminum.

然后我们用11千瓦光纤激光器来熔化铝。

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PBS访谈健康系列

These days, we've got a lot of different lasers, the new picosecond lasers work much better than our older lasers.

现在,我们有很多不同激光仪器,新皮秒激光器比我们旧激光器工作得更好。

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雅思阅读备考指南

It says here, it ensures supermarket checkout lasers, it can read the price on a crumpled bag of crisps.

在这里它说,它确保超市结账激光器可以读取弄皱薯片袋上价格。

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经济学人-科技

The OCT systems operated by ophthalmologists use low-power lasers which produce light with a wavelength of 850 nanometres.

眼科医操作OCT系统使用是低功率激光器,能够发出850纳米波长光线,这刚好超出了眼睛视杆视锥层可感光范围。

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TED-Ed(视频版)

The most obvious way to create a pulse of light is to switch a laser on and off.

制造光脉冲最明显方法就是开关激光器

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VOA Special 2015年1月合集

Perseus II also has a set of lasers, they are used to measure the size of an object.

柏修斯2号还有一组激光器,用于测量物体

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