On the propagation of electromagnetic waves through a time-varying dielectric layer

✍ Scribed by Fante, R. L.

• Publisher: Springer
• Year: 1973
• Tongue: English
• Weight: 497 KB
• Volume: 27
• Category: Article
• ISSN: 0003-6994
• DOI: 10.1007/bf00382497

✦ Synopsis

Expressions are obtained for the electromagnetic fields transmitted through a time-varying dielectric layer when a plane wave is incident normally upon orte interface. Solutions are obtained for the case when the dielectric constant is changed in a stepwise fashion, and also for the case when the dielectric constant varies sloMy and continuously. It is found that the inclusion of the boundary effects gives rise to frequency components in the transmitted signM which were not predicted by previous theories. Nomendature c speed of light in vaeuum E electric field strength H magnetic field strength L thickness of the dielectric slab n unit normal to the slab surface r x--L * For example if v(t) = Vo + vt sin At, then rl is a solution of the transeendental equation vo(t --~1) --(vdA)[eos At -eos At1] = L.