light-wave 光波
light wave band 光波段
light wave-guide 光波导
plane light wave 平面波
light wave field 光波场
light wave guide 光波导
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This is a type of electromagnetic wave (ie, the same type of wave as a light wave).
这是一种电磁波(即与光波相同类型的波)。
Unlike a normal lens, which compresses or changes the actual shape of a light wave through diffraction, a time lens magnifies or compresses the time of a light wave through dispersion.
不同于通常的透镜通过衍射来压缩或者改变光的形态,时间透镜通过光的弥散放大或者压缩光波的时间。
Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
一束电子波衍射的方式,同光波从一个反射光栅上弹回的方式完全类似,这真是不可思议。
So, most people could recognize that light wave a has the shorter wavelength. We can see that just by looking at the graph itself -- we can see certainly, this is shorter from maxima to maxima.
0秒钟,好的,不错大部分,同学都可以判断出来这个光波的,波长更短,我们仅通过,看图就能看出来-可以。
Alright. So, since we have these terms defined, we know the frequency and the wavelength, it turns out we can also think about the speed of the wave, and specifically of a light wave, and speed and is just equal to the distance that's traveled divided by the time the elapsed.
好了,我们已经定义了,这些术语,我们知道了,频率和波长,现在可以来考虑,波的速度了,特别是光波的速度,速度等于它走过的距离,除以所用的时间,因为我们。
And sometimes we model light as a wave.
有时候我们把光看成一种波。
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