Electromagnetic Wave Propagation and Source Radiation in Space-Time Periodic Media

Author: Elachi, Charles

Year: 1971

Degree: Dissertation (Ph.D.)

Advisor: Papas, Charles Herach

Committee Member: Unknown, Unknown

Option: Electrical Engineering; Business Economics and Management

DOI: 10.7907/WYFR-GR84

Abstract

The electromagnetic wave equations for the fields, potentials and Hertz vectors are derived and a Lorentz gauge is given for space-time dependent media. Electromagnetic wave propagation, electric and magnetic dipole radiation, and Cerenkov and transition radiation in sinusoidally space-time periodic dielectric, plasma and uniaxial plasma are studied and numerous radiation patterns are given. A special radiation effect in the uniaxial plasma is investigated. Finally the study is extended to general space-time periodic media (i.e., ε = ε₀ε_r [1 + ε₁ f(Kz - Ωt)] where f(ξ) is a periodic function).

Files

• Elachi_c_1971.pdf (application/pdf)