Linear analysis of a W band groove-loaded folded waveguide traveling wave tube
- National Key Laboratory of High-Power Vacuum Electronics, School of Physics Electronics, University of Electronic Science and Technology of China, Chengdu 610054 (China)
A linearized field theory of a groove-loaded folded waveguide traveling wave tube (FWTWT) is developed. The influence of groove dimensions and beam parameters on the linear gain and bandwidth of the device is investigated by numerical calculation. In addition, a comparison of the linear gain properties between the groove-loaded FWTWT and the conventional one is also carried out. It is indicated from the investigation that by the groove loading, the electric field that acts on the electron beam is enhanced, the electron beam gives more energy to wave, and the linear gain is raised.
- OSTI ID:
- 21532022
- Journal Information:
- Physics of Plasmas, Vol. 17, Issue 11; Other Information: DOI: 10.1063/1.3511773; (c) 2010 American Institute of Physics; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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