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Proceedings Paper

Electromagnetic missile from a nonuniform aperture field
Author(s): Hao-Ming Shen
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Paper Abstract

The electromagnetic pulse radiated from a nonuniform circular aperture field has been studied comprehensively. The results show that, like the uniform field, the nonuniform aperture field has the ability to launch an electromagnetic missile. If the spectrum of the exciting pulse is unlimited, the nonuniformity of the distribution does not affect the rate of decay of the energy, but only its magnitude. On the other hand, if the frequency spectrum is limited, i.e., has a cutoff, the nonuniformity significantly affects the rate of decay. The more uniform the distribution of the aperture field, the slower the energy decreases. The electromagnetic pulse radiated from a special distribution - the point-source array - has been studied. With practical excitation, the energy from such an array also exhibits a slow decay.

Paper Details

Date Published: 1 April 1990
PDF: 12 pages
Proc. SPIE 1226, Intense Microwave and Particle Beams, (1 April 1990); doi: 10.1117/12.18565
Show Author Affiliations
Hao-Ming Shen, Harvard Univ. (United States)

Published in SPIE Proceedings Vol. 1226:
Intense Microwave and Particle Beams
Howard E. Brandt, Editor(s)

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