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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

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

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
Publication statusPublished - 13 Jul 2011
EventLaser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles - Prague, Czech Republic
Duration: 18 Apr 201120 Apr 2011

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8079
ISSN (Print)0277-786X

Conference

ConferenceLaser Acceleration of Electrons, Protons, and Ions; and Medical Applications of Laser-Generated Secondary Sources of Radiation and Particles
Country/TerritoryCzech Republic
CityPrague
Period18/04/1120/04/11

Keywords

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

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