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Article | REF: E4062 V1

Sources of terahertz electromagnétic radiations

Author: Jean-Louis COUTAZ

Publication date: July 10, 2022

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4. Electronic tubes

Currently, the only commercially available electron tubes that radiate in the THz range are BWOs (backward wave oscillators) , although research is underway into the production of THz klystrons . A heated cathode at the end of an evacuated metal tube (figure 5 ) acts as a source of electrons, which are accelerated through the tube...

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