l**********n 发帖数: 72 | 1 Generally when we deal with electromagnetic theory, we have the boundary
conditions as the tangential component of the electric field is continuous and
the electrical displacement vector perpendicular to the interface is
continuous when there is no free charge. And so when we send a plane wave to
the interface, we could get the Snell's law behavior for the transmitted wave.
Let's consider this at the microscopic level, basically at room temperature,
the photons are absorped by the molecules(atom |
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