Investigation of Light-sail and Hole-boring Radiation Pressure Accelerations upon the Interaction of Ultra-intense Laser Pulses with Thin Targets
- Authors
- Shin, Sang Yun; Park, Sang Yoon; Hahn, Sang June
- Issue Date
- Dec-2019
- Publisher
- Korean Physical Society
- Keywords
- Ion acceleration; Laser-plasma interaction; Particle-in-cell simulation; Radiation pressure acceleration
- Citation
- Journal of the Korean Physical Society, v.75, no.12, pp 968 - 977
- Pages
- 10
- Journal Title
- Journal of the Korean Physical Society
- Volume
- 75
- Number
- 12
- Start Page
- 968
- End Page
- 977
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/39031
- DOI
- 10.3938/jkps.75.968
- ISSN
- 0374-4884
1976-8524
- 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. © 2019, The Korean Physical Society.
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