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Title: Enhancement of maximum attainable ion energy in the radiation pressure acceleration regime using a guiding structure

Journal Article · · Physical Review Letters
 [1];  [2];  [2];  [3];  [4];  [4];  [5];  [6]
  1. Univ. of California, Berkeley, CA (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Japan Atomic Energy Agency (JAEA), Kyoto (Japan). Kansai Photon Science Inst.; Russian Academy of Sciences (RAS), Moscow (Russian Federation). Prokhorov Inst. of General Physics; Moscow Inst. of Physics and Technology (MIPT), Moscow (Russian Federation)
  4. Japan Atomic Energy Agency (JAEA), Kyoto (Japan). Kansai Photon Science Inst.
  5. Univ. of Pisa (Italy). Physics Dept.
  6. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

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 a 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.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Accelerator & Fusion Research Division
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Grant/Contract Number:
AC02-05CH11231; FG02-12ER41798
OSTI ID:
1234540
Alternate ID(s):
OSTI ID: 1181007
Report Number(s):
LBNL-186472; ir:186472
Journal Information:
Physical Review Letters, Vol. 114; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 30 works
Citation information provided by
Web of Science

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Cited By (13)

Optimization of hole-boring radiation pressure acceleration of ion beams for fusion ignition journal January 2018
On some theoretical problems of laser wake-field accelerators journal June 2016
Enhanced proton acceleration from an ultrathin target irradiated by laser pulses with plateau ASE journal February 2018
Radiation pressure acceleration: The factors limiting maximum attainable ion energy journal April 2016
Tailored laser pulse chirp to maintain optimum radiation pressure acceleration of ions journal February 2019
Ion acceleration in laser generated megatesla magnetic vortex journal October 2019
Enhancement of target normal sheath acceleration in laser multi-channel target interaction journal December 2019
Relativistic mirrors in laser plasmas (analytical methods) journal July 2016
Theory and simulations of radiation friction induced enhancement of laser-driven longitudinal fields journal April 2018
Relativisitcally upshifted higher harmonic generation via relativistic flying mirrors journal May 2018
Revisit on ion acceleration mechanisms in solid targets driven by intense laser pulses journal November 2018
Single-pulse laser-electron collision within a micro-channel plasma target journal May 2019
Ion Acceleration in Laser Generated Mega Tesla Magnetic Vortex text January 2019

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