laser beam

常見例句

They are to regular conductors what a laser beam is to a light bulb.
相比起來，超導(dǎo)躰之於常槼導(dǎo)躰，就像一束激光之於一個燈泡。
During that test, an onboard calorimeter captured the laser beam before it left the aircraft.
在這次測試中，機(jī)載的計量器在激光波束離開飛機(jī)時捕捉到了它。
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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.
這種技術(shù)是使用“快速傅裡葉變換”把一束激光中的超過300中不同的光的顔色的光分解出來，每一種光被編碼成它自己的信息串。

Scientific American magazine says huge lasers turn only about twenty to thirty percent of the energy they use into a laser beam.
So this gives you a little bit of an idea of just how many individual photons there are in a laser beam of light. This is a huge number of photons.
這個給你們一點思路關(guān)於,一個激光束有多少獨立的光子,這是一個巨大的光子數(shù)目。
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So what we end up with for the number of photons in this laser beam of light is 2.1 times 10 to the 17 photons.
這個激光束的數(shù)目是,2，1乘以10的17次方。
麻省理工公開課 - 化學(xué)原理課程節(jié)選

In the case of lidar, the waves are in the form of an infra-red laser beam.
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