Demonstrating gain in a dielectric Cherenkov maser with a rod slow-wave system

V. A. Avgustinovich, S. N. Artemenko, A. I. Mashchenko, A. S. Shlapakovskii, Yu G. Yushkov

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We report the first results of experiments that demonstrate the amplification of megawatt nanosecond microwave pulses in a Cherenkov maser with a dielectric rod and moderately relativistic annular electric beam generated in a compact linear induction accelerator module. The input signal was generated by a resonant microwave compressor operating in a 3-cm wavelength range. A maximum gain of ~12.5 dB and a maximum output power of ~16 MW for a pulse duration of ~4 ns at a frequency of 9.388 GHz were obtained with a quartz rod. The dependence of the gain on the compressor power was determined for various values of the accelerating voltage and beam current.

Original languageEnglish
Pages (from-to)244-247
Number of pages4
JournalTechnical Physics Letters
Volume36
Issue number3
DOIs
Publication statusPublished - 14 May 2010

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masers
rods
compressors
microwaves
beam currents
induction
pulse duration
accelerators
quartz
modules
output
electric potential
pulses
wavelengths

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Demonstrating gain in a dielectric Cherenkov maser with a rod slow-wave system. / Avgustinovich, V. A.; Artemenko, S. N.; Mashchenko, A. I.; Shlapakovskii, A. S.; Yushkov, Yu G.

In: Technical Physics Letters, Vol. 36, No. 3, 14.05.2010, p. 244-247.

Research output: Contribution to journalArticle

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