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Radiophysics and Quantum Electronics

, Volume 56, Issue 4, pp 228–237 | Cite as

A Multipactor Discharge in Crossed Fields Under the Conditions of a Combination of Two Waves with Close Frequencies

  • E. V. Ilyakov
  • I. S. Kulagin
Article

We study the multipactor discharge in crossed fields, specifically, a microwave electric field and a quasistatic magnetic field. The multipactor occurs under the conditions of superposition of two microwave pulses with close frequencies, which correspond to the three-centimeter wavelength range. Experiments in the rectangular waveguide demonstrate that the multipactor develops and exists in a wide range of differences in the signal frequencies, which covers on interval of up to 700 MHz. The specific power absorbed in the discharge is equal to several kW/cm2, and the radiation is absorbed efficiently at both frequencies. When the signal power is initially insufficient to ensure the multipactor development, an additional signal at a close frequency allows one to switch the discharge, which absorbs microwaves efficiently, on and off. At a frequency difference of up to 40 MHz, the achieved switch-on time is about 100 ns. Switch-on of the second signal in the line with a resonator cavity, which has a frequency belonging to the cavity frequency band, also results in the discharge development and switches the cavity from the transition regime to the reflection regime.

Keywords

Microwave Microwave Pulse Rectangular Waveguide Microwave Source Close Frequency 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Institute of Applied Physics of the Russian Academy of SciencesNizhny NovgorodRussia

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