Electromagnetic missile from a nonuniform aperture field

Hao-Ming Shen

doi:10.1117/12.18565

1 April 1990 Electromagnetic missile from a nonuniform aperture field

Hao-Ming Shen

Proceedings Volume 1226, Intense Microwave and Particle Beams; (1990) https://doi.org/10.1117/12.18565
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

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.

Citation Download Citation

Hao-Ming Shen "Electromagnetic missile from a nonuniform aperture field", Proc. SPIE 1226, Intense Microwave and Particle Beams, (1 April 1990); https://doi.org/10.1117/12.18565

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