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Information × Registration Number 2115U002193, Article popup.category Thesis Title popup.author popup.publication 01-01-2015 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/41248 popup.publisher Sumy State University Description Two-stream superheterodyne FELs are characterized by exceptionally high rates of the amplification of electromagnetic waves in the submillimeter- IR range. Such high rates of the amplification are achieved through the use of the additional amplification mechanism of SCW due to the twostream instability [1]. There is a possibility of the generation of ultrashort intense clusters of an electromagnetic field on the basis of such multiharmonic TSFEL as a result of the superposition of many harmonics. Such ultrashort electromagnetic clusters, as well as ultrashort pulses can have wide practical application for a number of fundamental and applied researches in physics, chemistry, biology and medicine. popup.nrat_date 2025-05-12 Close