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Enhancement of Maximum Attainable Ion Energy in the Radiation Pressure Acceleration Regime Using a Guiding Structure

  Articoli su Riviste JCR/ISI  (anno 2015)

Autori:  Bulanov S.S., Esarey E, Schroeder C.B., Bulanov S.V., Esirkepov T.Zh.,Esarey E, Schroeder C.B., Bulanov S.V., Esirkepov T.Zh., Kando M., Pegoraro F., Leemans W

Affiliazione Autori:  University of California, Berkeley, California 94720, USA Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA Kansai Photon Science Institute, JAEA, Kizugawa, Kyoto 619-0215, Japan Prokhorov Institute of General Physics, Russian Academy of Sciences, Moscow 119991, Russia Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia Physics Department, University of Pisa and Istituto Nazionale di Ottica, CNR, Pisa 56127, Italy

Riassunto:  Radiation pressure acceleration is a highly efficient mechanism of laser-driven ion acceleration, with the laser energy almost totally transferrable to the ions in the relativistic regime. There is a fundamental limit on the maximum attainable ion energy, which is determined by the group velocity of the laser. In the case of tightly focused laser pulses, which are utilized to get the highest intensity, another factor limiting the maximum ion energy comes into play, the transverse expansion of the target. Transverse expansion makes the target transparent for radiation, thus reducing the effectiveness of acceleration. Utilization of an external guiding structure for the accelerating laser pulse may provide a way of compensating for the group velocity and transverse expansion effects.

Rivista/Giornale:  PHYSICAL REVIEW LETTERS
Volume n.:  114 (10)      Pagine da: 105003  a: 105003
Ulteriori informazioni:  We acknowledge support from the NSF under Grant No. PHY-0935197 and the Office of Science of the US DOE under Contracts No. DE-AC02-05CH11231 and No. DE-FG02-12ER41798 and Ministry of Education, Youth, and Sports of the Czech Republic under the Project No. CZ.1.05/1.1.00/02.0061. The authors would like to thank C. Benedetti, M. Chen, C. G. R. Geddes, and L. Yu for discussions.
DOI: 10.1103/PhysRevLett.114.105003

*Impact Factor della Rivista: (2015) 7.645   *Citazioni: 18
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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