光在全反射时,能流垂直通过界面的时间平均值等于零,但有一很快衰减的光波透过界面,称为衰减波。
它满足麦克斯韦方程标量形式和基尔霍夫边界条件,包括传播波和衰减波。
It satisfies the Maxwell's scalar equations and Kirchhoff's boundary conditions and includes propagating waves and evanescent waves.
由于热波是一种高衰减波,且波长短,现已成功地实现了对材料亚表面结构的分层成像。
Laminated imaging of the subsurface structures of materials has been successfully realized by this technique because thermal waves are heavily damped and have short wavelengths.
然而,利用这种性质来衰减观测的面波并非十分容易。
However, it is not trivially easy to use this property for the attenuation of the detected surface-waves.
And what is plotted below is the actual wave function, so you can see it starts very high and then the decays down.
下面这画的是,波函数,你们可以看见它开始非常高,然后衰减下来。
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