Antennas for pulsed HPM-sources. A survey of the literature
Publish date: 2001-01-25
Report number: FOA-R--00-01668-612
Pages: 21
Written in: Swedish
Abstract
The document gives a brief survey of antenna concepts that may be used for pulsed HPM-sources. To transmit an HPM-beam with high intensity at a far distance requires an antenna with high gain and an impedance which is well matched to the source. For a microsecond long pulse with an average power of 100 MW, reflector-type and perhaps also TEM-horn antennas are the only types that are judged to generate energy density levels capable of destructing well shielded electronic equipment at distances of around one hundred meters. For smaller antennas, or other antenna types which have lower gain the target should be within ten meters to achieve the same result. If jamming is sufficient then transmission may be performed at a larger distance and with lower requirements on gain, at least if multiple pulses can be used.