Energy Spectrum of an Electron Beam Outputted into Ambient Air on an Electron Accelerator with a Grid Plasma Cathode

AbstractIt is used that there is great potential in the use of multichannel laser complexes for incoherent pumping of X-ray Compton free-electron lasers based on stimulated wave backscattering on high-current moderately relativistic electron beam. The relative width of the pump spectrum must be comparable with that of the energy spectrum of the electron beam, which ensures involvement of a significant fraction of particles into the scattering process and, hence, high efficiency of their kinetic energy conversion into X-ray radiation.

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Динамическое управление мощностью мегаваттного электронного пучка субмиллисекудной длительности в источнике с плазменным катодом

Письма в журнал технической физики ◽

10.21883/pjtf.2021.10.50972.18719 ◽

2021 ◽

Vol 47 (10) ◽

pp. 38

Author(s):

М.С. Воробьёв ◽

П.В. Москвин ◽

В.И. Шин ◽

Н.Н. Коваль ◽

К.Т. Ашурова ◽

...

Keyword(s):

Electron Beam ◽

Beam Energy ◽

Maximum Rate ◽

Control Method ◽

Beam Current ◽

Rate Of Change ◽

Beam Power ◽

Metallic Materials ◽

Plasma Cathode ◽

Variable Power

The paper describes a method for a controlled change in the power of an electron beam during a pulse of submillisecond duration, using a source "SOLO" with a plasma cathode. The beam power is controlled by changing the amplitude of the beam current with a corresponding change in the concentration of the emission plasma. This control method allows generating submillisecond beams of variable power (up to 10 MW at a maximum rate of change of no more than 0.5 MW/µs), which can be used for processing various metallic materials in order to change the functional properties of their surface with the ability to control the rate of input of beam energy into the surface of these materials.

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Electron beam control using experimentally measured transport matrices

Laser and Particle Beams ◽

10.1017/s0263034600007205 ◽

1994 ◽

Vol 12 (1) ◽

pp. 17-21 ◽

Cited By ~ 1

Author(s):

C.B. McKee ◽

John M.J. Madey

Keyword(s):

Spatial Distribution ◽

Electron Beam ◽

Electron Accelerator ◽

Electron Beams ◽

Transport Systems ◽

Evoked Responses ◽

Free Electron Lasers ◽

High Brightness ◽

Electron Accelerators

Free electron lasers (FELs) place very stringent requirements on the quality of electron beams. Present techniques for commissioning and operating electron accelerators may not be optimized to produce the high brightness beams needed. Therefore, it is proposed to minimize the beamline errors in electron accelerator transport systems by minimizing the deviations between the experimentally measured and design transport matrices of each beamline section. The transport matrix for each section is measured using evoked responses. In addition, the transverse phase space of the beam is reconstructed by measuring the spatial distribution of the electrons at a number of different betatron phases and applying tomographic techniques developed for medical imaging.

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