How Does the Envelope of a Light Wavepacket Change at a Media Interface?

  • #1
harvey_dog
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Hi, I've had trouble finding an answer to this question and was wondering if anyone could help.

What happens to the envelope of a wavepacket of light when it crosses the interface between two media?

I know that the field of the wavepacket will be continuous across the boundary, but does the same apply to the envelope?
 
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  • #2
The B field is not continuous.
 
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