AI Article Synopsis

  • The study presents a new type of laser-driven electron source that can deliver extremely high radiation doses (Gy-scale) in very short timeframes (10-20 picoseconds).
  • This source achieves remarkable dose rates between 10^{10} and 10^{12} Gy/s, allowing for consistent and uniform dose delivery over larger areas (cm-scale).
  • These findings suggest the potential of using this technology for detailed research on how biological cells respond to rapid, high-dose radiation.

Article Abstract

We report on the first systematic characterization of a tuneable laser-driven electron source capable of delivering Gy-scale doses in a duration of 10-20 ps in a single irradiation, thus reaching unprecedented dose rates in the range of 10^{10}-10^{12} Gy/s. Detailed characterization of the source indicates, in agreement with Monte Carlo simulations, dose delivery over cm-scale areas with a high degree of spatial uniformity. The results reported here confirm that a laser-driven source of this kind can be used for systematic studies of the response of biological cells to picosecond-scale radiation at ultrahigh dose rates.

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http://dx.doi.org/10.1103/PhysRevE.110.035204DOI Listing

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