Controlling output pulse and prepulse in a resonant microwave pulse compressor

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A resonant microwave pulse compressor with a waveguide H-plane-tee-based energy extraction unit was studied in terms of its capability to produce output pulses that comprise a low-power long-duration (prepulse) and a high-power short-duration part. The application of such combined pulses with widely variable prepulse and high-power pulse power and energy ratios is of interest in the research area of electronic hardware vulnerability. The characteristics of output radiation pulses are controlled by the variation of the H-plane tee transition attenuation at the stage of microwave energy storage in the compressor cavity. Results of theoretical estimations of the parameters tuning range and experimental investigations of the prototype S-band compressor (1.5 MW, 12 ns output pulse; ∼13.2 dB gain) are presented. The achievable maximum in the prepulse power is found to be about half the power of the primary microwave source. It has been shown that the energy of the prepulse becomes comparable with that of the short-duration (nanosecond) pulse, while the power of the latter decreases insignificantly. The possible range of variation of the prepulse power and energy can be as wide as 40 dB. In the experiments, the prepulse level control within the range of ∼10 dB was demonstrated.

Original languageEnglish
Article number054503
JournalJournal of Applied Physics
Volume113
Issue number5
DOIs
Publication statusPublished - 7 Feb 2013

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compressors
microwaves
output
pulses
T shape
vulnerability
S band
energy
energy storage
hardware
pulse duration
attenuation
tuning
prototypes
waveguides
cavities
radiation
electronics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Controlling output pulse and prepulse in a resonant microwave pulse compressor. / Shlapakovski, A.; Artemenko, S.; Chumerin, P.; Yushkov, Yu.

In: Journal of Applied Physics, Vol. 113, No. 5, 054503, 07.02.2013.

Research output: Contribution to journalArticle

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