Applied Physics B

, Volume 118, Issue 2, pp 247–251 | Cite as

Reduction of X-ray generation in high-intensity laser ion acceleration

  • Bastian AurandEmail author
  • Stephan Kuschel
  • Christian Rödel
  • Oliver Jäckel
  • Jens Polz
  • Bentsian Elkin
  • Huanyu Zhao
  • Anupam Karmakar
  • Paul Gibbon
  • Malte C. Kaluza
  • Thomas Kuehl


In this paper, we report on measurements of bremsstrahlung in laser ion acceleration experiments from ultra-thin, polymer-based target foils. The influence of laser polarization on the generated \(\gamma\) radiation, the maximum achievable proton energy and the total proton number is investigated. A clear benefit in terms of \(\gamma\) radiation reduction by the use of circular polarized light can be observed. At the same time, the total number of accelerated protons was increased.


Amplify Spontaneous Emission Electron Number Density Laser Polarization Target Foil Plasma Mirror 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was partially supported by the Alliance Program of the Helmholtz Association (HA216/EMMI), by the Thuringian ministry for education, science and culture through EFRE (contract number B715-08006), by the BMBF (contract numbers 03ZIK445 and 03Z1H531), by the DFG (TR18) and by Laserlab Europe (grant agreement no. 284464, ECs 7th framework program). C. R. acknowledges support by the VolkswagenStiftung. We thank F. Ronneberger and B. Beleites for laser support and the GSI target lab for support in target preparation. AK and PG gratefully acknowledge the computational resources awarded under project numbers JJSC01 and JZAM04.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Bastian Aurand
    • 1
    • 2
    • 3
    Email author
  • Stephan Kuschel
    • 3
  • Christian Rödel
    • 4
    • 5
  • Oliver Jäckel
    • 3
  • Jens Polz
    • 3
  • Bentsian Elkin
    • 6
  • Huanyu Zhao
    • 7
  • Anupam Karmakar
    • 8
  • Paul Gibbon
    • 9
  • Malte C. Kaluza
    • 3
    • 4
  • Thomas Kuehl
    • 2
    • 10
  1. 1.Department of PhysicsLund UniversityLundSweden
  2. 2.GSI Helmholtzzentrum für Schwerionenforschung GmbhDarmstadtGermany
  3. 3.Helmholtz Institute JenaJenaGermany
  4. 4.Institute of Optics and Quantum ElectronicsJenaGermany
  5. 5.SLAC National Accelerator LaboratoryMenlo ParkUSA
  6. 6.Fraunhofer Institut für Grenzflächen-und BioverfahrenstechnikStuttgartGermany
  7. 7.Institute of Modern PhysicsChinese Academy of ScienceLanzhouChina
  8. 8.Leibniz Supercomputing CentreGarchingGermany
  9. 9.Institute for Advanced SimulationForschungszentrum Jülich GmbHJülichGermany
  10. 10.Department of PhysicsMainz UniversityMainzGermany

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