Abstract
High power THz-range Wave generation based on Transformation of Plasma Waves Pumped by High-current Relativistic Electron Beam
Highlights
IntroductionThe beam-plasma interaction system allows one to generate high-power sub-mm waves (frequency interval 0.1÷1 THz) by usage of mechanism of plasma wave transformation [1]
The beam-plasma interaction system allows one to generate high-power sub-mm waves by usage of mechanism of plasma wave transformation [1]
Previous experiments showed that the changes of the power value of the emitted electromagnetic waves correlated with the variation in the efficiency of plasma heating by the electron beam. [1,2,3]
Summary
The beam-plasma interaction system allows one to generate high-power sub-mm waves (frequency interval 0.1÷1 THz) by usage of mechanism of plasma wave transformation [1]. A series of experiments for measuring the temporal dynamics of radiation spectra emitted along the axis carried out for the plasma density higher than 5×1014 cm-3 It was done by the 8-channel polychromator with semiconductor diodes for the frequency interval from 0.1 up to 0.5 THz. For the interval 0.5 ÷ 0.9 THz the measurements were done by single plasmonic detectors and an additional 2-channel system of cryogenic sensors. Michelson field detector Thomson IR absorber interferometer f > 300 GHz scattering to 3-channel THz detector
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