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Design of modular multi-channel electron spectrometers for application in laser matter interaction experiments at Prague Asterix Laser System

Krupka, M. ; Singh, S. ; Pisarczyk, T. ; Dostal, J. ; Kalal, M. ; Krasa, J. ; Dudzak, R. ; Burian, T. ; Jelinek, S. ; Chodukowski, T. ; Rusiniak, Z. ; Krus, M. ; Juha, L.

Review of scientific instruments, 2021-02, Vol.92 (2), p.023514-023514 [Periódico revisado por pares]

United States: American Institute of Physics

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Título:
Design of modular multi-channel electron spectrometers for application in laser matter interaction experiments at Prague Asterix Laser System
Autor: Krupka, M. ; Singh, S. ; Pisarczyk, T. ; Dostal, J. ; Kalal, M. ; Krasa, J. ; Dudzak, R. ; Burian, T. ; Jelinek, S. ; Chodukowski, T. ; Rusiniak, Z. ; Krus, M. ; Juha, L.
Assuntos: Angular distribution ; Collimators ; Configurations ; Distribution functions ; Electron density ; Electron emission ; Electron energy ; Electron energy distribution ; Emission analysis ; Ferrites ; Hot electrons ; Lasers ; Modular design ; Modular systems ; Neodymium ; Particle tracking ; Permanent magnets ; Plasma interactions ; Scientific apparatus & instruments ; Spectrometers
É parte de: Review of scientific instruments, 2021-02, Vol.92 (2), p.023514-023514
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: This paper describes design, development, and implementation of a multi-channel magnetic electron spectrometer for the application in laser–plasma interaction experiments carried out at the Prague Asterix Laser System. Modular design of the spectrometer allows the setup in variable configurations to evaluate the angular distribution of hot electron emission. The angular array configuration of the electron spectrometers consists of 16 channels mounted around the target. The modules incorporate a plastic electron collimator designed to suppress the secondary radiation by absorbing the wide angle scattered electrons and photons inside the collimator. The compact model of the spectrometer measures electron energies in the range from 50 keV to 1.5MeV using ferrite magnets and from 250 keV to 5MeV using stronger neodymium magnets. An extended model of the spectrometer increases the measured energy range up to 21MeV or 35MeV using ferrite or neodymium magnets, respectively. Position to energy calibration was obtained using the particle tracking simulations. The experimental results show the measured angularly resolved electron energy distribution functions from interaction with solid targets. The angular distribution of hot electron temperature, the total flux, and the maximum electron energy show a directional dependence. The measured values of these quantities increase toward the target normal. For a copper target, the average amount of measured electron flux is 1.36 × 1011, which corresponds to the total charge of about 21 nC.
Editor: United States: American Institute of Physics
Idioma: Inglês

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Design of modular multi-channel electron spectrometers for application in laser matter interaction experiments at Prague Asterix Laser System

Krupka, M. ; Singh, S. ; Pisarczyk, T. ; Dostal, J. ; Kalal, M. ; Krasa, J. ; Dudzak, R. ; Burian, T. ; Jelinek, S. ; Chodukowski, T. ; Rusiniak, Z. ; Krus, M. ; Juha, L.

United States: American Institute of Physics

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