Abstract
The electromagnetic radiation of an electron flow in a triode with a virtual cathode is studied from the viewpoint of a parametric resonance. It is shown that the phase modulation of the electrons and the radiation saturation take place due to the oscillations of the virtual cathode as a result of large space charge. An expression for the coherent radiation intensity of the electron flow in a resonator is derived. It is shown that the phase modulation depth and the radiation efficiency increase with an external electromagnetic wave.
| Original language | English |
|---|---|
| Pages (from-to) | 149-155 |
| Number of pages | 7 |
| Journal | Russian Physics Journal |
| Volume | 43 |
| Issue number | 2 |
| Publication status | Published - 2000 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Grigor'ev, V. P., Koval', T. V., & Kozlovskikh, A. V. (2000). Excitation of parametric oscillations in a triode with a virtual cathode with an external electromagnetic wave. Russian Physics Journal, 43(2), 149-155.