Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape

Intense laser-plasma ion sources are characterized by an unsurpassed acceleration gradient and exceptional beam emittance. They are promising candidates for next-generation accelerators towards a broad range of potential applications. However, the laser-accelerated ion beams available currently have...

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Autores principales:	X. F. Shen, A. Pukhov, B. Qiao
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/eac22d9d73ce4e318ef8f9cb48b770c7
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spelling	oai:doaj.org-article:eac22d9d73ce4e318ef8f9cb48b770c72021-12-02T19:17:41ZMonoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape10.1103/PhysRevX.11.0410022160-3308https://doaj.org/article/eac22d9d73ce4e318ef8f9cb48b770c72021-10-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.11.041002http://doi.org/10.1103/PhysRevX.11.041002https://doaj.org/toc/2160-3308Intense laser-plasma ion sources are characterized by an unsurpassed acceleration gradient and exceptional beam emittance. They are promising candidates for next-generation accelerators towards a broad range of potential applications. However, the laser-accelerated ion beams available currently have limitations in energy spread and peak energy. Here, we propose and demonstrate an all-optical single laser scheme to generate proton beams with low spread at about 1% level and hundred MeV energy by irradiating the edge of a microtape with a readily available femtosecond petawatt laser. Three-dimensional particle-in-cell simulations show that when the electron beam extracted from both sides of the tape is injected into vacuum, a longitudinal bunching and transverse focusing field is self-established because of its huge charge (about 100 nC) and small divergence. Protons are accelerated and bunched simultaneously, leading to a monoenergetic high-energy proton beam. The proposed scheme opens a new route for the development of future compact ion sources.X. F. ShenA. PukhovB. QiaoAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 11, Iss 4, p 041002 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 X. F. Shen A. Pukhov B. Qiao Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape
description	Intense laser-plasma ion sources are characterized by an unsurpassed acceleration gradient and exceptional beam emittance. They are promising candidates for next-generation accelerators towards a broad range of potential applications. However, the laser-accelerated ion beams available currently have limitations in energy spread and peak energy. Here, we propose and demonstrate an all-optical single laser scheme to generate proton beams with low spread at about 1% level and hundred MeV energy by irradiating the edge of a microtape with a readily available femtosecond petawatt laser. Three-dimensional particle-in-cell simulations show that when the electron beam extracted from both sides of the tape is injected into vacuum, a longitudinal bunching and transverse focusing field is self-established because of its huge charge (about 100 nC) and small divergence. Protons are accelerated and bunched simultaneously, leading to a monoenergetic high-energy proton beam. The proposed scheme opens a new route for the development of future compact ion sources.
format	article
author	X. F. Shen A. Pukhov B. Qiao
author_facet	X. F. Shen A. Pukhov B. Qiao
author_sort	X. F. Shen
title	Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape
title_short	Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape
title_full	Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape
title_fullStr	Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape
title_full_unstemmed	Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape
title_sort	monoenergetic high-energy ion source via femtosecond laser interacting with a microtape
publisher	American Physical Society
publishDate	2021
url	https://doaj.org/article/eac22d9d73ce4e318ef8f9cb48b770c7
work_keys_str_mv	AT xfshen monoenergetichighenergyionsourceviafemtosecondlaserinteractingwithamicrotape AT apukhov monoenergetichighenergyionsourceviafemtosecondlaserinteractingwithamicrotape AT bqiao monoenergetichighenergyionsourceviafemtosecondlaserinteractingwithamicrotape
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Monoenergetic High-Energy Ion Source via Femtosecond Laser Interacting with a Microtape

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