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О возможности черенковского излучения в фотонном кристалле, образованном параллельными металлическими нитями
В.Г.Барышевский, Е.А.Гурневич
The propagation of electromagnetic waves in the photonic crystal formed by parallel metallic threads is considered in long-wave approximation. For calculation of a refractive index the process description in terms of a plane wave scattering amplitude by...
Some Aspects of Chaotic Lasing in Volume Free Electron Lasers
S.N. Sytova
Chaotic dynamics in Volume Free Electron Lasers (VFEL) is excited by signicant perturbation in movement of electrons through resonator and by deformation of bunches leading to generation of higher harmonics in the system and vice versa. Analysis of phase...
Volume Free Electron Laser using a "Grid" Photonic Crystal with Variable Period: Theory and Experiment
V. Baryshevsky, N. Belous, A. Gurinovich, E. Gurnevich, V. Evdokimov, P.Molchanov
Volume Free Electron Laser with a photonic crystal (crystal-like artificial periodic structure) formed by metallic threads periodically strained inside a cylindrical waveguide is studied. Theoretical analysis of operation of Volume Free Electron Laser usi...
Some aspects of numerical investigation of Volume Free Electron Laser nonlinear stage
S.Sytova
The main principle of vacuum electronic devices such as travelling wave tubes (TWT), backward wave tubes (BWT), free electron lasers (FEL) is based on radiation of bunches of charged particles moving over the surface or through the slow-wave system (reson...
Hybrid systems with virtual cathode for high power microwaves generation
V. G. Baryshevsky, A. A. Gurinovich
It is shown that use of a photonic crystal enables to construct several types of hybrid systems with virtual cathode, which could radiate due to different radiation mechanisms (bremsstrahlung and diffraction (transition) radiation) with different frequenc...
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