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Investigation of Light-sail and Hole-boring Radiation Pressure Accelerations upon the Interaction of Ultra-intense Laser Pulses with Thin Targets
- Source :
- Journal of the Korean Physical Society; December 2019, Vol. 75 Issue: 12 p968-977, 10p
- Publication Year :
- 2019
-
Abstract
- The radiation pressure acceleration (RPA) scheme with a circularly polarized laser pulse is well-known to provide an efficient generation of intense, energetic quasi-monochromatic ion beams. Depending on the thickness of targets, the RPA appears in two distinct modes: the light-sail (LS) RPA, which develops in ultrathin targets, and the hole-boring (HB) RPA, which develops in relatively thick targets. In this work, we investigated the ion acceleration dynamics of the LS-RPA and the HB-RPA through a fully relativistic particle-in-cell (PIC) simulation. The transition and competition between LS- and HB-RPA modes are investigated with suitable explanations of a one-dimensional (1D) theoretical model. To check the validity of the 1D results and investigate the multi-dimensional effects, two-dimensional simulations are also carried out. The present work may provide a deeper understanding of RPA and useful guidelines for generating high-quality and high-fluence ion beams.
Details
- Language :
- English
- ISSN :
- 03744884 and 19768524
- Volume :
- 75
- Issue :
- 12
- Database :
- Supplemental Index
- Journal :
- Journal of the Korean Physical Society
- Publication Type :
- Periodical
- Accession number :
- ejs52252461
- Full Text :
- https://doi.org/10.3938/jkps.75.968