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- Article name
- Theoretical and experimental study of the space-charge oscillations in the electrooptic system of a relativistic gyrotron
- Authors
- Manuilov V. N., , manuilov@rf.unn.ru, Nizhny Novgorod State University, 23 Gagarin av., Nizhny Novgorod, 603950, Russia
Ilyakov E. V., , ilyakov@appl.sci-nnov.ru, Institute of Applied Physics RAS, Nizhny Novgorod, Russia
Kulagin I. S., , , Institute of Applied Physics RAS, Nizhny Novgorod, Russia
Manuilov V. N., , , Institute of Applied Physics RAS, Nizhny Novgorod, Russia
- Keywords
- relativistic gyrotron / magnetron-injection gun / space-charge oscillations / magnetic compression of the electron beam
- Year
- 2010 Issue 6 Pages 89 - 94
- Code EDN
- Code DOI
- Abstract
- Theoretical and experimental study of the oscillations of a space-charge cloud, taking place in a magnetron-injection gun of a powerful relativistic gyrotron, has been carried out. The charge storage comes via electron-beam magnetic compression of the reflection from a magnetic mirror of a part of the electrons having the largest transverse velocities. It has been ascertained that at the large values of compression coefficient the beam looses its stability that finally leads to the appearance of the beam current modulation at the frequency of the longitudinal oscillations of an electron bunch in the adiabatic trap. According to numerical simulations, the energy spread in the formed beam reaches 4.6 % in these conditions, which is greater by the order of value than that caused by the space-charge influence in the beam transported along the metal tube.
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