SHAPING DEVICE OF A HIGH-CURRENT NANOSECOND ACCELERATOR.

V. M. Bystritskii, B. V. Okulov, Yu P. Usov, V. I. Tsvetkov, A. A. Shatanov

Результат исследований: Материалы для журналаСтатьярецензирование

Аннотация

A shaping device for high-current direct-action electron accelerators is usually implemented in the form of low-resistance coaxial and strip lines. The use of strip lines to obtain short-duration (several tens of nanoseconds) and maximum-power (10**1**2 W or more) pulses leads to great difficulties in accomplishing multichannel commutation of the line, in obtaining acceptable geometric dimensions (coaxial lines), in matching the lines to the electron gun, and in combating the energy losses that occur due to fringing effects (strip lines). The shortcomings indicated are eliminated when the shaping line is implemented with disk-shaped electrodes. The parallel connection of two double disk shaping lines with a common ″cathode″ disk allows high-pulse voltage applied to the outer electrode of the line to be avoided and allows this electrode to be used as the accelerator housing. Such a scheme for building a shaping device with placement of the electron gun at the center provides the possibility of achieving several operating regimes of the accelerator. The experimental investigation of disk shaping lines was carried out on a model, while the numerical simulation was carried out on an MPT-9 analog computer. Based on the experimental and numerical simulation a construction was developed for a double shaping line for use on the ″Tonus-II″ accelerator which is now under construction and has the following parameters: energy 1. 5 MeV, current 500 kA, and pulse length 40 nsec.

Язык оригиналаАнглийский
Страницы (с-по)1018-1020
Число страниц3
ЖурналInstrum Exp Tech
Том18
Номер выпуска4 pt 1
СостояниеОпубликовано - 1975

ASJC Scopus subject areas

  • Instrumentation

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