Analysis of Electron Injection in Laser Wakefield Acceleration Using Betatron Emission in Capillary Tubes

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Desforges, F. G.University of Paris-Saclay (author)

Analysis of Electron Injection in Laser Wakefield Acceleration Using Betatron Emission in Capillary Tubes

Article/chapterEnglish2015

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SPIE,2015

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LIBRIS-ID:oai:lup.lub.lu.se:10c229ae-1c59-4196-9eab-507302a49c82
https://lup.lub.lu.se/record/7791139URI
https://doi.org/10.1117/12.2178654DOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype

Notes

The dynamics of ionization-induced electron injection in the high density (similar to 1.2 x 10(19)cm(-3)) regime of Laser Wakefield Acceleration (LWFA) was investigated by analyzing betatron X-ray emission inside dielectric capillary tubes. A comparative study of the electron and betatron X-ray properties was performed for both self-injection and ionization-induced injection. Direct experimental evidence of early onset of ionization-induced injection into the plasma wave was obtained by mapping the X-ray emission zone inside the plasma. Particle-In-Cell (PIC) simulations showed that the early onset of ionization-induced injection, due to its lower trapping threshold, suppresses self-injection of electrons. An increase of X-ray fluence by at least a factor of two was observed in the case of ionization-induced injection due to an increased trapped charge compared to self-injection mechanism.

Subject headings and genre

NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
Laser-wakefield acceleration
betatron radiation
self-injection
ionization-induced injection

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Paradkar, B. S.University of Paris-Saclay (author)
Hansson, MartinLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-mth (author)
Audet, T. L.University of Paris-Saclay (author)
Ju, J.University of Paris-Saclay (author)
Gallardo Gonzalez, IsabelLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-igg (author)
Aurand, BastianLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-bar (author)
Lee, P.University of Paris-Saclay (author)
Senje, LovisaLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-lss (author)
Persson, A.Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-ape (author)
Dufrenoy, S. DoboszSaclay Nuclear Research Centre (CEA Saclay) (author)
Lundh, OlleLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-olu (author)
Maynard, G.University of Paris-Saclay (author)
Monot, P.Saclay Nuclear Research Centre (CEA Saclay) (author)
Vay, J. L.Lawrence Berkeley National Laboratory (author)
Wahlström, Claes-GöranLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-cwa (author)
Cros, B. (author)
University of Paris-SaclayAtomfysik (creator_code:org_t)

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In:Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III: SPIE9514, s. 95140-951401996-756X0277-786X

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By the author/editor: Desforges, F. G.; Paradkar, B. S.; Hansson, Martin; Audet, T. L.; Ju, J.; Gallardo Gonzale ...; show more...; Aurand, Bastian; Lee, P.; Senje, Lovisa; Persson, A.; Dufrenoy, S. Dob ...; Lundh, Olle; Maynard, G.; Monot, P.; Vay, J. L.; Wahlström, Claes ...; Cros, B.; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

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