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High-power ultrawideband radiation source

Published online by Cambridge University Press:  21 August 2003

Yu.A. ANDREEV ,
V.P. GUBANOV ,
A.M. EFREMOV ,
V.I. KOSHELEV ,
S.D. KOROVIN ,
B.M. KOVALCHUK ,
V.V. KREMNEV ,
V.V. PLISKO ,
A.S. STEPCHENKO  and
K.N. SUKHUSHIN
Yu.A. ANDREEV
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
V.P. GUBANOV
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
A.M. EFREMOV
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
V.I. KOSHELEV
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
S.D. KOROVIN
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
B.M. KOVALCHUK
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
V.V. KREMNEV
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
V.V. PLISKO
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
A.S. STEPCHENKO
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
K.N. SUKHUSHIN
Affiliation:
Institute of High Current Electronics, Russian Academy of Science, Tomsk, Russia
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Abstract

The article presents a source producing high-power ultrawideband electromagnetic pulses. The source includes a generator of monopolar pulses, a bipolar pulse former, and a combined ultrawideband transmitting antenna. Monopolar 150-kV, 4.5-ns pulses are transformed into bipolar 120-kV, 1-ns pulses, which are emitted by the antenna. The pulse repetition rate of the setup is up to 100 Hz. The peak power of the source is 170 MW as measured with a TEM-type receiving antenna having 0.2–2 GHz passband. The pattern width of the transmitting antenna at a half-level of peak power is 90° and 105° for the H- and E-planes, respectively. The electric field strength measured 4 m from the transmitting antenna in the direction of the main radiation maximum is 34 kV/m.

Keywords

Bipolar pulse formerGas gap switchTesla transformerUltrawideband antennaUWB
Type
Research Article
Information
Laser and Particle Beams , Volume 21 , Issue 2 , April 2003 , pp. 211 - 217
Copyright
© 2003 Cambridge University Press

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