9 papers
Dependence of self-injected bunch parameters on the plasma density gradient and laser pulse amplitude at LWFA in a conical plasma channel
D. S. Bondar, V. I. Maslov, I. N. Onishchenko
Laser wakefield acceleration (LWFA) is an advanced method of high gradient acceleration of charged particles with wakefield excited in plasma by laser pulse. A distinctive feature…
Determination of the total dose of bremsstrahlung X-RAY reminiscence on the high-current pulsed radiation-beam complex TEMP-B
A. B. Batrakov, S. I. Fedotov, I. N. Onishchenko +5
The paper reports the results of measuring the total dose of X-ray bremsstrahlung from a powerful X-ray source based on the high-current pulsed direct-action electron accelerator T…
Plasma lens for the focusing of positron bunches
D. S. Bondar, C. A. Lindstrøm, V. I. Maslov +1
The development of effective focusing schemes for positron bunches in plasma accelerators remains a significant challenge, as nonlinear regimes fail to create stable focusing chann…
Laser-plasma acceleration in a conical plasma channel with longitudinally inhomogeneous plasma profile
D. S. Bondar, W. Leemans, V. I. Maslov +1
Laser-plasma acceleration is considered as a modern method of accelerating bunches using a wakefield excited by a laser pulse. This paper demonstrates the use of a longitudinally i…
Powerful source of bremsstrahlung x-ray radiation based on a high current pulsed electron accelerator
A. B. Batrakov, I. N. Onishchenko, S. I. Fedotov +3
Enhancement of the bremsstrahlung X-ray radiation (BSXR) power generated by the high-current relativistic electron beam (REB) of a pulsed direct-action accelerator TEMP-B is being…
To the vacuum conditions that provided the process of electromagnetic waves generated by a relativistic magnetron
A. B. Batrakov, S. I. Fedotov, O. M. Lebedenko +4
The powerful EHF radiation generated in a relativistic high-voltage pulsed magnetron of the 8 mm range is experimentally investigated. The factors that negatively affect the genera…
Excitation of quasi-monochromotic waves by a high-voltage pulse in a ferrite coaxial line with the periodic structure
A. B. Batrakov, S. Yu. Karelin, O. M. Lebedenko +5
Experimental data and results of numerical simulations are presented, concerning excitation of narrowband gigahertz-range wave trains in coaxial guiding structures that are partial…
Extracting millimeter-wavelength radio emission from a relativistic magnetron
A. B. Batrakov, S. I. Fedotov, V. G. Korenev +7
Results of research are presented concerning operative modes of a high-voltage (relativistic) pulsed magnetron for the 8 mm wavelength range. Technical solutions are proposed for i…
Electron source based on emergence of self-injected electron bunch at plasma wakefield excitation by a TW laser pulse
D. S. Bondar, V. I. Maslov, I. N. Onishchenko
Wakefield acceleration methods are known due to some their advantages. The main of them is the high accelerating gradient up to several teravolts per meter. In the paper another im…