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Initial steps towards imaging tumors during their irradiation by protons with the 200TW laser at the Advanced Laser Light Source facility (ALLS)

  • S. Fourmaux
  • , S. Corde
  • , K. Ta Phuoc
  • , S. Buffechoux
  • , S. Gnedyuk
  • , A. Rousse
  • , A. Krol
  • , J. C. Kieffer
    • Institut national de la recherche scientifique
    • Laboratoire d'Optique Appliquée

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Scopus citations

    Abstract

    We are exploring the use of the ultra-high contrast 200 TW ALLS facility (5 J, 28 fs, 10 Hz repetition rate) as a basic tool to image in real time with X-rays (generated by the laser) tumors during their irradiation by protons (accelerated by the same laser). The feasibility of phase contrast imaging in in-line geometry and proton acceleration with 100 TW (3 J, 30 fs) on targets is studied and presented in the present paper. We demonstrate here that phase contrast x-ray imaging, of tests and complex objects located in air at 1m from the X-ray source, can be achieved in one shot using our betatron x-ray source generated in a supersonic gas jet. Using solid targets (thin and thick foils) our experiments indicate that protons are accelerated at a maximum energy of 12 MeV.

    Original languageEnglish
    Title of host publicationLaser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles
    DOIs
    StatePublished - 2011
    EventLaser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles - Prague, Czech Republic
    Duration: Apr 18 2011Apr 20 2011

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume8079

    Conference

    ConferenceLaser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles
    Country/TerritoryCzech Republic
    CityPrague
    Period04/18/1104/20/11

    Keywords

    • In line hard x-ray holography
    • Protons acceleration
    • Ultrafast laser systems

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