Proton array focused by a laser-irradiated mesh

S. H. Zhai; B. F. Shen; M. Borghesi; W. P. Wang; H. Zhang; S. Kar; H. Ahmed; J. F. Li; S. S. Li; C. Wang; X. M. Lu; X. L. Wang; R. J. Xu; L. H. Yu; Y. X. Leng; X. Y. Liang; R. X. Li; Z. Z. Xu

doi:10.1063/1.5054884

Proton array focused by a laser-irradiated mesh

S. H. Zhai, B. F. Shen, M. Borghesi, W. P. Wang, H. Zhang, S. Kar, H. Ahmed, J. F. Li, S. S. Li, C. Wang, X. M. Lu, X. L. Wang, R. J. Xu, L. H. Yu, Y. X. Leng, X. Y. Liang, R. X. Li, Z. Z. Xu

School of Mathematics and Physics

Research output: Contribution to journal › Article

2 Citations (Scopus)

183 Downloads (Pure)

Abstract

We present a technique on focusing laser-driven proton beams in an array pattern by employing a copper mesh irradiated by a separate, intense laser pulse. Transient fields are generated on the mesh following the intense interaction. Under the combined effect of collisional scattering and electrical deflections from the mesh, a laser-driven proton beam is split into multiple focused beams with a high density of ∼4 × 109/cm2 after propagation through the charged-up mesh. The particle density within the focused beamlets is up to ∼11 times the initial density of the proton beam. Multiple beam focusing through this approach may open routes for proton beam conditioning, leading to opportunities for multi-beam applications, such as tomographic radiography and proton implantation.

Original language	English
Article number	013509
Number of pages	5
Journal	Applied Physics Letters
Volume	114
Issue number	1
Early online date	08 Jan 2019
DOIs	https://doi.org/10.1063/1.5054884
Publication status	Early online date - 08 Jan 2019

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doi: 10.1063/1.5054884

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@article{1ce4963662ef4e9082db3b690b5dd7ae,

title = "Proton array focused by a laser-irradiated mesh",

abstract = "We present a technique on focusing laser-driven proton beams in an array pattern by employing a copper mesh irradiated by a separate, intense laser pulse. Transient fields are generated on the mesh following the intense interaction. Under the combined effect of collisional scattering and electrical deflections from the mesh, a laser-driven proton beam is split into multiple focused beams with a high density of ∼4 × 109/cm2 after propagation through the charged-up mesh. The particle density within the focused beamlets is up to ∼11 times the initial density of the proton beam. Multiple beam focusing through this approach may open routes for proton beam conditioning, leading to opportunities for multi-beam applications, such as tomographic radiography and proton implantation.",

author = "Zhai, {S. H.} and Shen, {B. F.} and M. Borghesi and Wang, {W. P.} and H. Zhang and S. Kar and H. Ahmed and Li, {J. F.} and Li, {S. S.} and C. Wang and Lu, {X. M.} and Wang, {X. L.} and Xu, {R. J.} and Yu, {L. H.} and Leng, {Y. X.} and Liang, {X. Y.} and Li, {R. X.} and Xu, {Z. Z.}",

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volume = "114",

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Proton array focused by a laser-irradiated mesh. / Zhai, S. H.; Shen, B. F.; Borghesi, M.; Wang, W. P.; Zhang, H.; Kar, S.; Ahmed, H.; Li, J. F.; Li, S. S.; Wang, C.; Lu, X. M.; Wang, X. L.; Xu, R. J.; Yu, L. H.; Leng, Y. X.; Liang, X. Y.; Li, R. X.; Xu, Z. Z.

In: Applied Physics Letters, Vol. 114, No. 1, 013509, 08.01.2019.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Proton array focused by a laser-irradiated mesh

AU - Zhai, S. H.

AU - Shen, B. F.

AU - Borghesi, M.

AU - Wang, W. P.

AU - Zhang, H.

AU - Kar, S.

AU - Ahmed, H.

AU - Li, J. F.

AU - Li, S. S.

AU - Wang, C.

AU - Lu, X. M.

AU - Wang, X. L.

AU - Xu, R. J.

AU - Yu, L. H.

AU - Leng, Y. X.

AU - Liang, X. Y.

AU - Li, R. X.

AU - Xu, Z. Z.

N1 - doi: 10.1063/1.5054884

PY - 2019/1/8

Y1 - 2019/1/8

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AB - We present a technique on focusing laser-driven proton beams in an array pattern by employing a copper mesh irradiated by a separate, intense laser pulse. Transient fields are generated on the mesh following the intense interaction. Under the combined effect of collisional scattering and electrical deflections from the mesh, a laser-driven proton beam is split into multiple focused beams with a high density of ∼4 × 109/cm2 after propagation through the charged-up mesh. The particle density within the focused beamlets is up to ∼11 times the initial density of the proton beam. Multiple beam focusing through this approach may open routes for proton beam conditioning, leading to opportunities for multi-beam applications, such as tomographic radiography and proton implantation.

U2 - 10.1063/1.5054884

DO - 10.1063/1.5054884

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JO - Applied Physics Letters

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