Výsledky vyhledávání - "S Dobosz Dufrénoy"

Akademický článek

Effects of the dopant concentration in laser wakefield and direct laser acceleration of electrons

Autor: I Gallardo González, H Ekerfelt, M Hansson, T L Audet, B Aurand, F G Desforges, S Dobosz Dufrénoy, A Persson, X Davoine, C-G Wahlström, B Cros, O Lundh

Publikováno v: New Journal of Physics, Vol 20, Iss 5, p 053011 (2018)

In this work, we experimentally study the effects of the nitrogen concentration in laser wakefield acceleration of electrons in a gas mixture of hydrogen and nitrogen. A 15 TW peak power laser pulse is focused to ionize the gas, excite a plasma wave

Externí odkaz: https://doaj.org/article/5a775d4d3a4b4e2da992b16cedb0a687

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Akademický článek

Mechanisms to control laser-plasma coupling in laser wakefield electron acceleration

Autor: L. T. Dickson, C. I. D. Underwood, F. Filippi, R. J. Shalloo, J. Björklund Svensson, D. Guénot, K. Svendsen, I. Moulanier, S. Dobosz Dufrénoy, C. D. Murphy, N. C. Lopes, P. P. Rajeev, Z. Najmudin, G. Cantono, A. Persson, O. Lundh, G. Maynard, M. J. V. Streeter, B. Cros

Publikováno v: Physical Review Accelerators and Beams, Vol 25, Iss 10, p 101301 (2022)

Experimental results, supported by precise modeling, demonstrate optimization of a plasma-based injector with intermediate laser pulse energy (

Externí odkaz: https://doaj.org/article/a152bbcc90164af1b02c9f44a8a0a049

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Modeling of the driver transverse profile for laser wakefield electron acceleration at APOLLON research facility

Autor: I. Moulanier, L. T. Dickson, C. Ballage, O. Vasilovici, A. Gremaud, S. Dobosz Dufrénoy, N. Delerue, L. Bernardi, A. Mahjoub, A. Cauchois, A. Specka, F. Massimo, G. Maynard, B. Cros

Publikováno v: Physics of Plasmas
Physics of Plasmas, 2023, ⟨10.1063/5.0142894⟩

International audience; The quality of electron bunches accelerated by laser wakefields is highly dependant on the temporal and spatial features of the laser driver. Analysis of experiments performed at APOLLON PW-class laser facility shows that spat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b90217406420eafae0107332e463bced
https://doi.org/10.1063/5.0142894

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Plasma density profile reconstruction of a gas cell for Ionization Induced Laser Wakefield Acceleration

Autor: F. Filippi, L.T. Dickson, M. Backhouse, P. Forestier-Colleoni, C. Gustafsson, C. Cobo, C. Ballage, S. Dobosz Dufrénoy, E. Löfquist, G. Maynard, C.D. Murphy, Z. Najmudin, F. Panza, A. Persson, M. Scisció, O. Vasilovici, O. Lundh, B. Cros

Publikováno v: JINST
6th International Conference Frontiers in Diagnostic Technologies
6th International Conference Frontiers in Diagnostic Technologies, Oct 2022, Frascati, Italy. pp.C05013, ⟨10.1088/1748-0221/18/05/C05013⟩

Laser-driven plasma wakefields can provide hundreds of MeV electron beam in mm-range distances potentially shrinking the dimension of the actual particle accelerators. The plasma density plays a fundamental role in the control and stability of the ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::167bda8e78f77b2bf3d38b2f69ab8142
https://hal.science/hal-04104003

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Akademický článek

Enhanced stability of laser wakefield acceleration using dielectric capillary tubes

Autor: M. Hansson, L. Senje, A. Persson, O. Lundh, C.-G. Wahlström, F. G. Desforges, J. Ju, T. L. Audet, B. Cros, S. Dobosz Dufrénoy, P. Monot

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 17, Iss 3, p 031303 (2014)

The stability of beams of laser wakefield accelerated electrons in dielectric capillary tubes is experimentally investigated. These beams are found to be more stable in charge and pointing than the corresponding beams of electrons accelerated in a ga

Externí odkaz: https://doaj.org/article/4c9cec93ae2e4244bb275c74a7bbf4ab

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Akademický článek

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Gas cell density characterization for laser wakefield acceleration

Autor: Brigitte Cros, M. Bougeard, P. Lee, Gilles Maynard, P. Monot, S. Dobosz Dufrénoy, Antoine Maitrallain, T. L. Audet

Publikováno v: Nucl.Instrum.Meth.A
3rd European Advanced Accelerator Concepts Workshop
3rd European Advanced Accelerator Concepts Workshop, Sep 2017, La Biodola, Italy. pp.383-386, ⟨10.1016/j.nima.2018.01.053⟩

International audience; In the design of laser plasma electron injectors for multi-stage laser driven wakefield accelerators, the control of plasma density is a key element to stabilize the acceleration process. A cell with variable parameters is use

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fe14a46b1eed099bda334ee5e900f44

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Transport and analysis of electron beams from a laser wakefield accelerator in the 100 MeV energy range with a dedicated magnetic line

Autor: Brigitte Cros, P. Monot, A. Mosnier, O. Delferrière, J. Schwindling, Nicolas Delerue, P. Lee, S. Dobosz Dufrénoy, Gilles Maynard, Antoine Maitrallain, A. Specka, A. Chancé, T. L. Audet

Publikováno v: Nucl.Instrum.Meth.A
Nucl.Instrum.Meth.A, 2018, 908, pp.159-166. ⟨10.1016/j.nima.2018.08.004⟩

Electron bunches generated by laser driven wakefield acceleration are transported and analyzed using a magnetic line composed of a triplet of quadrupoles and a dipole. Short pulse bunches with a total charge of ≈ 130 p C, and broad band energy spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87fbc373de4a2806f4923c1aaa8e7692
https://hal.archives-ouvertes.fr/hal-01880805

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Effects of the dopant concentration in laser wakefield and direct laser acceleration of electrons

Autor: Martin Hansson, F. G. Desforges, Brigitte Cros, Xavier Davoine, T. L. Audet, I. Gallardo González, Anders Persson, Henrik Ekerfelt, Olle Lundh, Bastian Aurand, S. Dobosz Dufrénoy, Claes-Göran Wahlström

Publikováno v: New Journal of Physics
New Journal of Physics, Institute of Physics: Open Access Journals, 2018, 20 (5), ⟨10.1088/1367-2630/aabe14⟩
New Journal of Physics, 2018, 20 (5), ⟨10.1088/1367-2630/aabe14⟩

International audience; In this work, we experimentally study the effects of the nitrogen concentration in laser wakefield acceleration of electrons in a gas mixture of hydrogen and nitrogen. A 15 TW peak power laser pulse is focused to ionize the ga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a1078f0cfe6a92461b2ccc00c02c41a

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