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Journal Article
Control of the Charge and Energy of the Proton Beams from a Laser-Driven Double-Layer Target
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- Authors
- Young-Kuk Kim, Myung-Hoon Cho, Hyung Ju Park, Moon Youn Jung, Min Sup Hur
- Issue Date
- 2015-08
- Citation
- Current Applied Physics, v.15, no.8, pp.892-896
- ISSN
- 1567-1739
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- Abstract Control of the proton beam charge and energy in a laser-driven double-layer target was numerically investigated. Generally the proton beam charge is determined by the areal density ?? = nl of the second layer, while the accelerating field is governed by the substrate thickness L. From a series of one-dimensional particle-in-cell simulations over a broad range of ?? and L, it was confirmed that those two control parameters do not interfere significantly, indicating the beam charge and energy can be separately controlled. We suggest self-assembly monolayers technique be used for the fabrication of the areal density of the second layer.
- KSP Keywords
- Areal density, Double layer, Laser-driven, Particle-in-Cell simulations, Proton beams, Substrate thickness, control parameters, one-dimensional, self-assembly monolayers