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- Title
A Multipactor Discharge in Crossed Fields Under the Conditions of a Combination of Two Waves with Close Frequencies.
- Authors
Ilyakov, E.; Kulagin, I.
- Abstract
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/cm, 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.
- Subjects
ELECTRIC discharges; MICROWAVES; ELECTRIC fields; WAVEGUIDES; QUASISTATIC processes; MAGNETIC fields; CENTIMETER waves; WAVELENGTHS; RADIO frequency
- Publication
Radiophysics & Quantum Electronics, 2013, Vol 56, Issue 4, p228
- ISSN
0033-8443
- Publication type
Article
- DOI
10.1007/s11141-013-9428-y