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Betatron x-ray radi...
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Albert, F.Lawrence Livermore National Laboratory
(author)
Betatron x-ray radiation from laser-plasma accelerators driven by femtosecond and picosecond laser systems
- Article/chapterEnglish2018
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AIP Publishing,2018
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LIBRIS-ID:oai:research.chalmers.se:2c04ef00-0c69-4681-874e-abd1c3c7bc37
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https://research.chalmers.se/publication/503670URI
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https://doi.org/10.1063/1.5020997DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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A comparative experimental study of betatron x-ray radiation from laser wakefield acceleration in the blowout and self-modulated regimes is presented. Our experiments use picosecond duration laser pulses up to 150 J (self-modulated regime) and 60 fs duration laser pulses up to 10 J (blowout regime), for plasmas with electronic densities on the order of 1019cm-3. In the self-modulated regime, where betatron radiation has been very little studied compared to the blowout regime, electrons accelerated in the wake of the laser pulse are subject to both the longitudinal plasma and transverse laser electrical fields. As a result, their motion within the wake is relatively complex; consequently, the experimental and theoretical properties of the x-ray source based on self-modulation differ from the blowout regime of laser wakefield acceleration. In our experimental configuration, electrons accelerated up to about 250 MeV and betatron x-ray spectra with critical energies of about 10-20 keV and photon fluxes between 108and 1010photons/eV Sr are reported. Our experiments open the prospect of using betatron x-ray radiation for applications, and the source is competitive with current x-ray backlighting methods on multi-kilojoule laser systems.
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Lemos, N.Lawrence Livermore National Laboratory,University of California
(author)
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Shaw, J. L.University of California,University of Rochester
(author)
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King, P. M.The University of Texas at Austin, USA,Lawrence Livermore National Laboratory
(author)
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Pollock, B. B.Lawrence Livermore National Laboratory
(author)
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Goyon, C.Lawrence Livermore National Laboratory
(author)
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Schumaker, W.Stanford University
(author)
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Saunders, A. M.Lawrence Berkeley National Laboratory
(author)
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Marsh, K. A.University of California
(author)
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Pak, A.Lawrence Livermore National Laboratory
(author)
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Ralph, J. E.Lawrence Livermore National Laboratory
(author)
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Luís Martins, Joana,1984Chalmers tekniska högskola,Chalmers University of Technology,Instituto Superior Tecnico(Swepub:cth)ljoana
(author)
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Amorim, L. D.University of California,Instituto Superior Tecnico,Stony Brook University
(author)
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Falcone, R. W.Lawrence Berkeley National Laboratory
(author)
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Glenzer, S. H.Stanford University
(author)
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Moody, J. D.Lawrence Livermore National Laboratory
(author)
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Joshi, C.University of California
(author)
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Lawrence Livermore National LaboratoryUniversity of California
(creator_code:org_t)
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In:Physics of Plasmas: AIP Publishing25:51089-76741070-664X
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- By the author/editor
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Albert, F.
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Lemos, N.
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Shaw, J. L.
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King, P. M.
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Pollock, B. B.
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Goyon, C.
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show more...
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Schumaker, W.
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Saunders, A. M.
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Marsh, K. A.
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Pak, A.
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Ralph, J. E.
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Luís Martins, Jo ...
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Amorim, L. D.
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Falcone, R. W.
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Glenzer, S. H.
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Moody, J. D.
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Joshi, C.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Accelerator Phys ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Physics of Plasm ...
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Chalmers University of Technology