Cathode constructive features influence on radiation characteristics in triodes with virtual cathode

T. V. Koval, G. V. Melnikov

Результат исследования: Материалы для книги/типы отчетовМатериалы для конференции

Аннотация

The increase in the efficiency and power of electromagnetic wave radiation in triodes with a virtual cathode is connected both with the level of interaction between the electron flow and the electromagnetic field of a resonant system and with the number of electrons in the interaction region. That is why, when constructing a generator, an essential point is choosing a cathode. The cathodes used in the experiments differ in their construction features (flat, needle, etc.), emissive ability and provide varied profiles and beam quality. These facts, in turn, influence generator efficiency. This work shows theoretical research of cathode construction features for electron movement, beam uniformity, frequency characteristics and radiation level. In a diode, power flow density of the electron beam depends on the effective area of cathode emission. It is shown that, unlike a diode, in a triode with a virtual cathode, the number of electrons in the interaction region may not depend on the emissive ability of a cathode. It occurs when the space-charge accumulation regime is realized. The accumulation time depends on the anode transparency and on the effective area of cathode emission.

Язык оригиналаАнглийский
Заголовок главной публикации5th Korea-Russia International Symposium on Science and Technology - Proceedings: KORUS 2001
ИздательInstitute of Electrical and Electronics Engineers Inc.
Страницы341-344
Количество страниц4
Том1
ISBN (печатная версия)0780370082, 9780780370081
DOI
Статус публикацииОпубликовано - 2001
Событие5th Korea-Russia International Symposium on Science and Technology, KORUS 2001 - Tomsk, Российская Федерация
Длительность: 26 июн 20013 июл 2001

Другое

Другое5th Korea-Russia International Symposium on Science and Technology, KORUS 2001
СтранаРоссийская Федерация
ГородTomsk
Период26.6.013.7.01

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ASJC Scopus subject areas

  • Clinical Biochemistry
  • Computer Networks and Communications
  • Biotechnology
  • Civil and Structural Engineering
  • Mechanics of Materials
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films

Цитировать

Koval, T. V., & Melnikov, G. V. (2001). Cathode constructive features influence on radiation characteristics in triodes with virtual cathode. В 5th Korea-Russia International Symposium on Science and Technology - Proceedings: KORUS 2001 (Том 1, стр. 341-344). [975145] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/KORUS.2001.975145