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Characterization of laser wakefield acceleration efficiency with octave spanning near-IR spectrum measurements

Streeter, M. J.V. (author)
Lancaster University,Imperial College London,The Cockcroft Institute,Queen's University Belfast
Ma, Y. (author)
University of Michigan,The Cockcroft Institute,Lancaster University
Kettle, B. (author)
Imperial College London
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Dann, S. J.D. (author)
Lancaster University,The Cockcroft Institute
Gerstmayr, E. (author)
Imperial College London
Albert, F. (author)
Lawrence Livermore National Laboratory
Bourgeois, N. (author)
Rutherford Appleton Laboratory
Cipiccia, S. (author)
Diamond Light Source
Cole, J. M. (author)
Imperial College London
Gallardo González, I. (author)
Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Hussein, A. E. (author)
University of Alberta,University of Michigan
Jaroszynski, D. A. (author)
The Cockcroft Institute,University of Strathclyde
Falk, K. (author)
Helmholtz-Zentrum Dresden-Rossendorf,Dresden University of Technology,Institute of Physics of the Academy of Sciences of the Czech Republic
Krushelnick, K. (author)
University of Michigan
Lemos, N. (author)
Lawrence Livermore National Laboratory
Lopes, N. C. (author)
Instituto Superior Técnico,Imperial College London
Lumsdon, C. (author)
University of York
Lundh, O. (author)
Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Avancerade ljuskällor,LTH profilområden,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,LTH Profile areas,Faculty of Engineering, LTH
Mangles, S. P.D. (author)
Imperial College London
Najmudin, Z. (author)
Imperial College London
Rajeev, P. P. (author)
Rutherford Appleton Laboratory
Sandberg, R. (author)
University of Michigan
Shahzad, M. (author)
The Cockcroft Institute,University of Strathclyde
Smid, M. (author)
Helmholtz-Zentrum Dresden-Rossendorf
Spesyvtsev, R. (author)
University of Strathclyde,The Cockcroft Institute
Symes, D. R. (author)
Rutherford Appleton Laboratory
Vieux, G. (author)
The Cockcroft Institute,University of Strathclyde
Thomas, A. G.R. (author)
Lancaster University,University of Michigan,The Cockcroft Institute
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 (creator_code:org_t)
2022
2022
English.
In: Physical Review Accelerators and Beams. - 2469-9888. ; 25:10
Related links:
http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We report on experimental measurements of energy transfer efficiencies in a GeV-class laser wakefield accelerator. Both the transfer of energy from the laser to the plasma wakefield and from the plasma to the accelerated electron beam was diagnosed by simultaneous measurement of the deceleration of laser photons and the acceleration of electrons as a function of plasma length. The extraction efficiency, which we define as the ratio of the energy gained by the electron beam to the energy lost by the self-guided laser mode, was maximized at 19±3% by tuning the plasma density and length. The additional information provided by the octave-spanning laser spectrum measurement allows for independent optimization of the plasma efficiency terms, which is required for the key goal of improving the overall efficiency of laser wakefield accelerators.

Subject headings

NATURVETENSKAP  -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)

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