SCIENTIFIC AND ORGANIZATION STRUCTURE

PHYSICAL ELECTRONICS DEPARTMENT

The Physical Electronics Department was formed on October 1 of 1977 at the same time when the Institute of High Current Electronics was established. Gennady Mesyats was the first head of the Department. In 1983, the Physical Electronics Department was subdivided into Laboratory of Vacuum Electronics (laboratory head is Dmitry Proskurovsky), Laboratory of Gas Electronics (Yury Korolev), and Laboratory of Physical Electronics (Sergey Korovin). The graduates from the Novosibirsk State University and Tomsk Institutes formed the main body of the laboratory. Until 1984, the works in the laboratory were carried out in a close collaboration with the Department of Electron Sources (department head F. Zagulov). G.A. Mesyats, A.S. Elchaninov, F.Ya. Zagulov, and B.M. Koval'chuk are those men who determined the scientific activities of the laboratory for many years ahead. In 1984, a number of laboratory scientists leaved for Ekaterinburg to be involved in research works at the newly opened by Academician Gennady Mesyats Institute of Electrophysics of the Ural Division of RAS. In 1994, the Laboratory was reorganized becoming a department. Presently, the personnel of the Laboratory headed by the Corresponding Member of RAS Sergey D. Korovin consists of 30, including 8 scientific researchers (one Dr. Sci. (Phys. & Math.), 4 Candidates of Science, and 3 post-graduates).

Scientific Activities

Pulsed energy and formation of dense electron beams.
Production of power microwave beams.

The basic scientific achievements

In the field of pulsed energy and formation of dense electron beams:

A family of high-current pulse-repetitive electron beam accelerators SINUS involving an energy store based on coaxial forming line charged by a built-in Tesla transformer with open ferromagnetic core with operating parameters as: electron energy of 0,2-2 MeV, current beam of 2-20 kA, pulse duration of 3-50 ns (up to 130 ns with spiral forming line), and pulse repetition rate of 103 Hz has been developed.
Submegavolt and megavolt controllable gas switches with operating gas forced circulation, providing high stability of breakdown voltage with frequency of up to 103 Hz have been designed and studied.
Vacuum diodes (coaxial, magnetic-insulated, and planar) providing high-current relativistic nanosecond e-beams generation in a pulse-repetitive mode with lifetime above 108 pulses have been developed and studied.
A number of technological applications of pulse-repetitive electron accelerators (for material modification, sterilization in medicine and pharmaceutical industry) have been realized.

In the field of power microwave beams production:

Based on SINUS family of high-current electron accelerators, a wide variety of high-power nanosecond and subnanosecond microwave sources of millimeter, centimeter, and decimeter wavelength range (Cherenkov, gyroresonance, virtual cathode-based, including those based on stimulated scattering) with peaking power of 0.1-6 GW, pulse energy of up to 100 J, and pulsed repetition rate of up to 1 kHz were built.
Physical fundamentals of the methods for increasing energy and production efficiency of nanosecond microwave subgigawatt and gigawatt pulses have been developed.
A number of applications of power pulse-repetitive microwave sources (in high-resolution radio-location, biology, medicine, including) have been realized.

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