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Hadjisolomou P, Jeong TM, Bulanov SV. Towards bright gamma-ray flash generation from tailored target irradiated by multi-petawatt laser. Sci Rep 2022; 12:17143. [PMID: 36229461 PMCID: PMC9561655 DOI: 10.1038/s41598-022-21352-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 09/26/2022] [Indexed: 11/29/2022] Open
Abstract
One of the remarkable phenomena in the laser-matter interaction is the extremely efficient energy transfer to \documentclass[12pt]{minimal}
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\begin{document}$$\gamma $$\end{document}γ-photons, that appears as a collimated \documentclass[12pt]{minimal}
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\begin{document}$$\gamma $$\end{document}γ-ray beam. For interactions of realistic laser pulses with matter, existence of an amplified spontaneous emission pedestal plays a crucial role, since it hits the target prior to the main pulse arrival, leading to a cloud of preplasma and drilling a narrow channel inside the target. These effects significantly alter the process of \documentclass[12pt]{minimal}
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\begin{document}$$\gamma $$\end{document}γ-photon generation. Here, we study this process by importing the outcome of magnetohydrodynamic simulations of the pedestal-target interaction into particle-in-cell simulations for describing the \documentclass[12pt]{minimal}
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\begin{document}$$\gamma $$\end{document}γ-photon generation. It is seen that target tailoring prior the laser-target interaction plays an important positive role, enhancing the efficiency of laser pulse coupling with the target, and generating high energy electron-positron pairs. It is expected that such a \documentclass[12pt]{minimal}
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\begin{document}$$\gamma $$\end{document}γ-photon source will be actively used in various applications in nuclear photonics, material science and astrophysical processes modelling.
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Affiliation(s)
- Prokopis Hadjisolomou
- ELI Beamlines Centre, Institute of Physics, Czech Academy of Sciences, Za Radnicí 835, 25241, Dolní Břežany, Czech Republic.
| | - Tae Moon Jeong
- ELI Beamlines Centre, Institute of Physics, Czech Academy of Sciences, Za Radnicí 835, 25241, Dolní Břežany, Czech Republic
| | - Sergei V Bulanov
- ELI Beamlines Centre, Institute of Physics, Czech Academy of Sciences, Za Radnicí 835, 25241, Dolní Břežany, Czech Republic.,National Institutes for Quantum and Radiological Science and Technology (QST), Kansai Photon Science Institute, 8-1-7 Umemidai, Kizugawa, Kyoto 619-0215, Japan
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2
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Acceleration of collimated 45 MeV protons by collisionless shocks driven in low-density, large-scale gradient plasmas by a 10 20 W/cm 2, 1 µm laser. Sci Rep 2017; 7:16463. [PMID: 29184108 PMCID: PMC5705667 DOI: 10.1038/s41598-017-15449-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 10/24/2017] [Indexed: 11/08/2022] Open
Abstract
A new type of proton acceleration stemming from large-scale gradients, low-density targets, irradiated by an intense near-infrared laser is observed. The produced protons are characterized by high-energies (with a broad spectrum), are emitted in a very directional manner, and the process is associated to relaxed laser (no need for high-contrast) and target (no need for ultra-thin or expensive targets) constraints. As such, this process appears quite effective compared to the standard and commonly used Target Normal Sheath Acceleration technique (TNSA), or more exploratory mechanisms like Radiation Pressure Acceleration (RPA). The data are underpinned by 3D numerical simulations which suggest that in these conditions a Low Density Collisionless Shock Acceleration (LDCSA) mechanism is at play, which combines an initial Collisionless Shock Acceleration (CSA) to a boost procured by a TNSA-like sheath field in the downward density ramp of the target, leading to an overall broad spectrum. Experiments performed at a laser intensity of 1020 W/cm2 show that LDCSA can accelerate, from ~1% critical density, mm-scale targets, up to 5 × 109 protons/MeV/sr/J with energies up to 45(±5) MeV in a collimated (~6° half-angle) manner.
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Chen SN, Vranic M, Gangolf T, Boella E, Antici P, Bailly-Grandvaux M, Loiseau P, Pépin H, Revet G, Santos JJ, Schroer AM, Starodubtsev M, Willi O, Silva LO, d'Humières E, Fuchs J. Collimated protons accelerated from an overdense gas jet irradiated by a 1 µm wavelength high-intensity short-pulse laser. Sci Rep 2017; 7:13505. [PMID: 29044204 PMCID: PMC5647424 DOI: 10.1038/s41598-017-12910-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 09/12/2017] [Indexed: 11/29/2022] Open
Abstract
We have investigated proton acceleration in the forward direction from a near-critical density hydrogen gas jet target irradiated by a high intensity (1018 W/cm2), short-pulse (5 ps) laser with wavelength of 1.054 μm. We observed the signature of the Collisionless Shock Acceleration mechanism, namely quasi-monoenergetic proton beams with small divergence in addition to the more commonly observed electron-sheath driven proton acceleration. The proton energies we obtained were modest (~MeV), but prospects for improvement are offered through further tailoring the gas jet density profile. Also, we observed that this mechanism is very robust in producing those beams and thus can be considered as a future candidate in laser-driven ion sources driven by the upcoming next generation of multi-PW near-infrared lasers.
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Affiliation(s)
- S N Chen
- LULI - CNRS, Ecole Polytechnique, CEA: Université Paris-Saclay; UPMC Univ Paris 06: Sorbonne Universités, F-91128, Palaiseau cedex, France.
- Institute of Applied Physics, 46 Ulyanov Street, 603950, Nizhny Novgorod, Russia.
- Light Stream Labs LLC., Sunnyvale, CA, USA.
| | - M Vranic
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - T Gangolf
- LULI - CNRS, Ecole Polytechnique, CEA: Université Paris-Saclay; UPMC Univ Paris 06: Sorbonne Universités, F-91128, Palaiseau cedex, France
- Institut für Laser- und Plasmaphysik, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - E Boella
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - P Antici
- INRS-EMT, 1650, boulevard Lionel-Boulet, J3X 1S2, Varennes (Québec), Canada
| | - M Bailly-Grandvaux
- Univ. Bordeaux, CNRS, CEA, CELIA (Centre Laser Intenses et Applications), UMR 5107, F-33405, Talence, France
| | - P Loiseau
- CEA, DAM, DIF, F-91297, Arpajon, France
| | - H Pépin
- INRS-EMT, 1650, boulevard Lionel-Boulet, J3X 1S2, Varennes (Québec), Canada
| | - G Revet
- LULI - CNRS, Ecole Polytechnique, CEA: Université Paris-Saclay; UPMC Univ Paris 06: Sorbonne Universités, F-91128, Palaiseau cedex, France
- Institute of Applied Physics, 46 Ulyanov Street, 603950, Nizhny Novgorod, Russia
| | - J J Santos
- Univ. Bordeaux, CNRS, CEA, CELIA (Centre Laser Intenses et Applications), UMR 5107, F-33405, Talence, France
| | - A M Schroer
- Institut für Laser- und Plasmaphysik, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Mikhail Starodubtsev
- Institute of Applied Physics, 46 Ulyanov Street, 603950, Nizhny Novgorod, Russia
| | - O Willi
- Institut für Laser- und Plasmaphysik, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - E d'Humières
- Univ. Bordeaux, CNRS, CEA, CELIA (Centre Laser Intenses et Applications), UMR 5107, F-33405, Talence, France
| | - J Fuchs
- LULI - CNRS, Ecole Polytechnique, CEA: Université Paris-Saclay; UPMC Univ Paris 06: Sorbonne Universités, F-91128, Palaiseau cedex, France
- Institute of Applied Physics, 46 Ulyanov Street, 603950, Nizhny Novgorod, Russia
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4
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Borghesi M, Fuchs J, Bulanov SV, MacKinnon AJ, Patel PK, Roth M. Fast Ion Generation by High-Intensity Laser Irradiation of Solid Targets and Applications. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst06-a1159] [Citation(s) in RCA: 356] [Impact Index Per Article: 50.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- M. Borghesi
- The Queen’s University, School of Mathematics and Physics, Belfast BT7 1NN, United Kingdom
| | - J. Fuchs
- Laboratoire pour l’Utilisation des Lasers Intenses, UMR 7605 CNRS-CEA-École Polytechnique-Université Paris VI, 91128 Palaiseau 3, France
- University of Nevada, Physics Department, MS-220, Reno, Nevada 89557
| | - S. V. Bulanov
- Kansai Research Establishment, APRC-JAERI, Kizu, Japan
| | - A. J. MacKinnon
- Lawrence Livermore National Laboratory, Livermore, California
| | - P. K. Patel
- Lawrence Livermore National Laboratory, Livermore, California
| | - M. Roth
- Technical University Darmstadt, Darmstadt, Germany
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Moreau JG, d'Humières E, Nuter R, Tikhonchuk VT. Stimulated Raman scattering in the relativistic regime in near-critical plasmas. Phys Rev E 2017; 95:013208. [PMID: 28208487 DOI: 10.1103/physreve.95.013208] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Indexed: 11/07/2022]
Abstract
Interaction of a high-intensity short laser pulse with near-critical plasmas allows us to achieve extremely high coupling efficiency and transfer laser energy to energetic ions. One-dimensional particle-in-cell simulations are considered to detail the processes involved in the energy transfer. A confrontation of the numerical results with the theory highlights a key role played by the process of stimulated Raman scattering in the relativistic regime. The interaction of a 1 ps laser pulse (I∼6×10^{18}Wcm^{-2} with an undercritical (0.5n_{c}) homogeneous plasma leads to a very high plasma absorption reaching 68% of the laser pulse energy. This permits a homogeneous electron heating all along the plasma and an efficient ion acceleration at the plasma edges and in cavities.
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Affiliation(s)
- J G Moreau
- Université de Bordeaux-CNRS-CEA, Centre Lasers Intenses et Applications, UMR 5107, F-33405 Talence, France
| | - E d'Humières
- Université de Bordeaux-CNRS-CEA, Centre Lasers Intenses et Applications, UMR 5107, F-33405 Talence, France
| | - R Nuter
- Université de Bordeaux-CNRS-CEA, Centre Lasers Intenses et Applications, UMR 5107, F-33405 Talence, France
| | - V T Tikhonchuk
- Université de Bordeaux-CNRS-CEA, Centre Lasers Intenses et Applications, UMR 5107, F-33405 Talence, France
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6
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Daido H, Nishiuchi M, Pirozhkov AS. Review of laser-driven ion sources and their applications. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2012; 75:056401. [PMID: 22790586 DOI: 10.1088/0034-4885/75/5/056401] [Citation(s) in RCA: 181] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
For many years, laser-driven ion acceleration, mainly proton acceleration, has been proposed and a number of proof-of-principle experiments have been carried out with lasers whose pulse duration was in the nanosecond range. In the 1990s, ion acceleration in a relativistic plasma was demonstrated with ultra-short pulse lasers based on the chirped pulse amplification technique which can provide not only picosecond or femtosecond laser pulse duration, but simultaneously ultra-high peak power of terawatt to petawatt levels. Starting from the year 2000, several groups demonstrated low transverse emittance, tens of MeV proton beams with a conversion efficiency of up to several percent. The laser-accelerated particle beams have a duration of the order of a few picoseconds at the source, an ultra-high peak current and a broad energy spectrum, which make them suitable for many, including several unique, applications. This paper reviews, firstly, the historical background including the early laser-matter interaction studies on energetic ion acceleration relevant to inertial confinement fusion. Secondly, we describe several implemented and proposed mechanisms of proton and/or ion acceleration driven by ultra-short high-intensity lasers. We pay special attention to relatively simple models of several acceleration regimes. The models connect the laser, plasma and proton/ion beam parameters, predicting important features, such as energy spectral shape, optimum conditions and scalings under these conditions for maximum ion energy, conversion efficiency, etc. The models also suggest possible ways to manipulate the proton/ion beams by tailoring the target and irradiation conditions. Thirdly, we review experimental results on proton/ion acceleration, starting with the description of driving lasers. We list experimental results and show general trends of parameter dependences and compare them with the theoretical predictions and simulations. The fourth topic includes a review of scientific, industrial and medical applications of laser-driven proton or ion sources, some of which have already been established, while the others are yet to be demonstrated. In most applications, the laser-driven ion sources are complementary to the conventional accelerators, exhibiting significantly different properties. Finally, we summarize the paper.
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Affiliation(s)
- Hiroyuki Daido
- Applied Laser Technology Institute, Tsuruga Head Office, Japan Atomic Energy Agency, Kizaki, Tsuruga-shi, Fukui-ken 914-8585, Japan.
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7
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Abstract
Ion beam therapy for cancer has proven to be a successful clinical approach, affording as good a cure as surgery and a higher quality of life. However, the ion beam therapy installation is large and expensive, limiting its availability for public benefit. One of the hurdles is to make the accelerator more compact on the basis of conventional technology. Laser acceleration of ions represents a rapidly developing young field. The prevailing acceleration mechanism (known as target normal sheath acceleration, TNSA), however, shows severe limitations in some key elements. We now witness that a new regime of coherent acceleration of ions by laser (CAIL) has been studied to overcome many of these problems and accelerate protons and carbon ions to high energies with higher efficiencies. Emerging scaling laws indicate possible realization of an ion therapy facility with compact, cost-efficient lasers. Furthermore, dense particle bunches may allow the use of much higher collective fields, reducing the size of beam transport and dump systems. Though ultimate realization of a laser-driven medical facility may take many years, the field is developing fast with many conceptual innovations and technical progress.
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Affiliation(s)
- Toshiki Tajima
- Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
- Photo-Medical Research Center, JAEA, Kyoto, 619-0215, Japan
| | - Dietrich Habs
- Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
- Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
| | - Xueqing Yan
- Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
- SKL of Nuclear Physics and Technology, Peking University, 100871, Beijing, China
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8
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Nakamura T, Bulanov SV, Esirkepov TZ, Kando M. High-energy ions from near-critical density plasmas via magnetic vortex acceleration. PHYSICAL REVIEW LETTERS 2010; 105:135002. [PMID: 21230779 DOI: 10.1103/physrevlett.105.135002] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2010] [Indexed: 05/30/2023]
Abstract
Ultraintense laser pulses propagating in near-critical density plasmas generate magnetic dipole vortex structures. In the region of decreasing plasma density, the vortex expands both in forward and lateral directions. The magnetic field pressure pushes electrons and ions to form a density jump along the vortex axis and induces a longitudinal electric field. This structure moves together with the expanding dipole vortex. The background ions located ahead of the electric field are accelerated to high energies. The energy scaling of ions generated by this magnetic vortex acceleration mechanism is derived and corroborated using particle-in-cell simulations.
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Affiliation(s)
- Tatsufumi Nakamura
- Advanced Photon Research Center, Japan Atomic Energy Agency, Kizugawa, Kyoto 619-0215, Japan.
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9
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Bulanov SS, Bychenkov VY, Chvykov V, Kalinchenko G, Litzenberg DW, Matsuoka T, Thomas AGR, Willingale L, Yanovsky V, Krushelnick K, Maksimchuk A. Generation of GeV protons from 1 PW laser interaction with near critical density targets. PHYSICS OF PLASMAS 2010; 17:043105. [PMID: 20838426 PMCID: PMC2931601 DOI: 10.1063/1.3372840] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2009] [Accepted: 03/05/2010] [Indexed: 05/29/2023]
Abstract
The propagation of ultraintense laser pulses through matter is connected with the generation of strong moving magnetic fields in the propagation channel as well as the formation of a thin ion filament along the axis of the channel. Upon exiting the plasma the magnetic field displaces the electrons at the back of the target, generating a quasistatic electric field that accelerates and collimates ions from the filament. Two dimensional particle-in-cell simulations show that a 1 PW laser pulse tightly focused on a near-critical density target is able to accelerate protons up to an energy of 1.3 GeV. Scaling laws and optimal conditions for proton acceleration are established considering the energy depletion of the laser pulse.
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10
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Fukuda Y, Faenov AY, Tampo M, Pikuz TA, Nakamura T, Kando M, Hayashi Y, Yogo A, Sakaki H, Kameshima T, Pirozhkov AS, Ogura K, Mori M, Esirkepov TZ, Koga J, Boldarev AS, Gasilov VA, Magunov AI, Yamauchi T, Kodama R, Bolton PR, Kato Y, Tajima T, Daido H, Bulanov SV. Energy increase in multi-MeV ion acceleration in the interaction of a short pulse laser with a cluster-gas target. PHYSICAL REVIEW LETTERS 2009; 103:165002. [PMID: 19905702 DOI: 10.1103/physrevlett.103.165002] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2009] [Indexed: 05/28/2023]
Abstract
An approach for accelerating ions, with the use of a cluster-gas target and an ultrashort pulse laser of 150-mJ energy and 40-fs duration, is presented. Ions with energy 10-20 MeV per nucleon having a small divergence (full angle) of 3.4 degrees are generated in the forward direction, corresponding to approximately tenfold increase in the ion energies compared to previous experiments using solid targets. It is inferred from a particle-in-cell simulation that the high energy ions are generated at the rear side of the target due to the formation of a strong dipole vortex structure in subcritical density plasmas.
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Affiliation(s)
- Y Fukuda
- Kansai Photon Science Institute and Photo-Medical Research Center, JAEA, Kyoto, 615-0215 Japan
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11
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Nodera Y, Kawata S, Onuma N, Limpouch J, Klimo O, Kikuchi T. Improvement of energy-conversion efficiency from laser to proton beam in a laser-foil interaction. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2008; 78:046401. [PMID: 18999537 DOI: 10.1103/physreve.78.046401] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2008] [Revised: 09/17/2008] [Indexed: 05/27/2023]
Abstract
Improvement of energy-conversion efficiency from laser to proton beam is demonstrated by particle simulations in a laser-foil interaction. When an intense short-pulse laser illuminates the thin-foil target, the foil electrons are accelerated around the target by the ponderomotive force. The hot electrons generate a strong electric field, which accelerates the foil protons, and the proton beam is generated. In this paper a multihole thin-foil target is proposed in order to increase the energy-conversion efficiency from laser to protons. The multiholes transpiercing the foil target help to enhance the laser-proton energy-conversion efficiency significantly. Particle-in-cell 2.5-dimensional ( x, y, vx, vy, vz) simulations present that the total laser-proton energy-conversion efficiency becomes 9.3% for the multihole target, though the energy-conversion efficiency is 1.5% for a plain thin-foil target. The maximum proton energy is 10.0 MeV for the multihole target and is 3.14 MeV for the plain target. The transpiercing multihole target serves as a new method to increase the energy-conversion efficiency from laser to ions.
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Affiliation(s)
- Y Nodera
- Graduate School of Engineering, Utsunomiya University, 7-1-2 Yohtoh, Utsunomiya 321-8585, Japan.
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Morita T, Esirkepov TZ, Bulanov SV, Koga J, Yamagiwa M. Tunable high-energy ion source via oblique laser pulse incident on a double-layer target. PHYSICAL REVIEW LETTERS 2008; 100:145001. [PMID: 18518041 DOI: 10.1103/physrevlett.100.145001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2007] [Indexed: 05/26/2023]
Abstract
The laser-driven acceleration of high quality proton beams from a double-layer target, comprised of a high-Z ion layer and a thin disk of hydrogen, is investigated with three-dimensional particle-in-cell simulations for an obliquely incident laser pulse. The proton beam energy reaches its maximum at a certain incidence angle, where it can be much greater than the energy at normal incidence. The proton beam propagates at some angle with respect to the target surface normal and with some tilt around the target surface, as determined by the proton energy and the incidence angle.
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Affiliation(s)
- T Morita
- Japan Atomic Energy Agency, 8-1 Umemidai, Kizugawa, Kyoto 619-0215, Japan
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13
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Yogo A, Daido H, Bulanov SV, Nemoto K, Oishi Y, Nayuki T, Fujii T, Ogura K, Orimo S, Sagisaka A, Ma JL, Esirkepov TZ, Mori M, Nishiuchi M, Pirozhkov AS, Nakamura S, Noda A, Nagatomo H, Kimura T, Tajima T. Laser ion acceleration via control of the near-critical density target. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2008; 77:016401. [PMID: 18351938 DOI: 10.1103/physreve.77.016401] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2007] [Indexed: 05/26/2023]
Abstract
Duration-controlled amplified spontaneous emission with an intensity of 10(13) W/cm(2) is used to convert a 7.5-microm -thick polyimide foil into a near-critical plasma, in which the p -polarized, 45-fs , 10(19) -Wcm (2) laser pulse generates 3.8-MeV protons, emitted at some angle between the target normal and the laser propagation direction of 45 degrees . Particle-in-cell simulations reveal that the efficient proton acceleration is due to the generation of a quasistatic magnetic field on the target rear side with magnetic pressure inducing and sustaining a charge separation electrostatic field.
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Affiliation(s)
- A Yogo
- Kansai Photon Science Institute, Japan Atomic Energy Agency (JAEA), Kyoto 619-0215, Japan
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14
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Bulanov SV, Esirkepov TZ. Comment on "Collimated multi-MeV ion beams from high-intensity laser interactions with underdense plasma". PHYSICAL REVIEW LETTERS 2007; 98:049503; discussion 049504. [PMID: 17358823 DOI: 10.1103/physrevlett.98.049503] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2006] [Indexed: 05/14/2023]
Affiliation(s)
- S V Bulanov
- Kansai Photon Science Institute Japan Atomic Energy Agency Umemidai 8-1, Kizu, Kyoto 619-0215, Japan
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15
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Esirkepov T, Yamagiwa M, Tajima T. Laser ion-acceleration scaling laws seen in multiparametric particle-in-cell simulations. PHYSICAL REVIEW LETTERS 2006; 96:105001. [PMID: 16605741 DOI: 10.1103/physrevlett.96.105001] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2005] [Indexed: 05/08/2023]
Abstract
The ion acceleration driven by a laser pulse at intensity I= 10(20)-10(22) W/cm(2) x (microm/lambda)(2) from a double layer target is investigated with multiparametric particle-in-cell simulations. For targets with a wide range of thickness l and density n(e), at a given intensity, the highest ion energy gain occurs at certain electron areal density of the target sigma = n(e)l, which is proportional to the square root of intensity. In the case of thin targets and optimal laser pulse duration, the ion maximum energy scales as the square root of the laser pulse power. When the radiation pressure of the laser field becomes dominant, the ion maximum energy becomes proportional to the laser pulse energy.
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Affiliation(s)
- T Esirkepov
- Kansai Photon Science Institute, JAEA, Kizu, Kyoto, 619-0215 Japan
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16
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Schwoerer H, Pfotenhauer S, Jäckel O, Amthor KU, Liesfeld B, Ziegler W, Sauerbrey R, Ledingham KWD, Esirkepov T. Laser-plasma acceleration of quasi-monoenergetic protons from microstructured targets. Nature 2006; 439:445-8. [PMID: 16437110 DOI: 10.1038/nature04492] [Citation(s) in RCA: 605] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2005] [Accepted: 12/01/2005] [Indexed: 11/08/2022]
Abstract
Particle acceleration based on high intensity laser systems (a process known as laser-plasma acceleration) has achieved high quality particle beams that compare favourably with conventional acceleration techniques in terms of emittance, brightness and pulse duration. A long-term difficulty associated with laser-plasma acceleration--the very broad, exponential energy spectrum of the emitted particles--has been overcome recently for electron beams. Here we report analogous results for ions, specifically the production of quasi-monoenergetic proton beams using laser-plasma accelerators. Reliable and reproducible laser-accelerated ion beams were achieved by intense laser irradiation of solid microstructured targets. This proof-of-principle experiment serves to illuminate the role of laser-generated plasmas as feasible particle sources. Scalability studies show that, owing to their compact size and reasonable cost, such table-top laser systems with high repetition rates could contribute to the development of new generations of particle injectors that may be suitable for medical proton therapy.
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Affiliation(s)
- H Schwoerer
- Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität, 07743 Jena, Germany.
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17
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Borghesi M, Bulanov SV, Esirkepov TZ, Fritzler S, Kar S, Liseikina TV, Malka V, Pegoraro F, Romagnani L, Rousseau JP, Schiavi A, Willi O, Zayats AV. Plasma ion evolution in the wake of a high-intensity ultrashort laser pulse. PHYSICAL REVIEW LETTERS 2005; 94:195003. [PMID: 16090181 DOI: 10.1103/physrevlett.94.195003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2004] [Indexed: 05/03/2023]
Abstract
Experimental investigations of the late-time ion structures formed in the wake of an ultrashort, intense laser pulse propagating in a tenuous plasma have been performed using the proton imaging technique. The pattern found in the wake of the laser pulse shows unexpectedly regular modulations inside a long, finite width channel. On the basis of extensive particle in cell simulations of the plasma evolution in the wake of the pulse, we interpret this pattern as due to ion modulations developed during a two-stream instability excited by the return electric current generated by the wakefield.
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Affiliation(s)
- M Borghesi
- School of Mathematics and Physics, The Queen's University of Belfast, UK
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18
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Miyazaki S, Kawata S, Sonobe R, Kikuchi T. High-energy proton generation and suppression of transverse proton divergence by localized electrons in a laser-foil interaction. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2005; 71:056403. [PMID: 16089656 DOI: 10.1103/physreve.71.056403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2004] [Indexed: 05/03/2023]
Abstract
A suppression of a transverse divergence of high-energy protons generated by an interaction of a laser with a thin slab foil is investigated in this paper by 2.5-dimensional particle-in-cell simulations. When an intense (approximately 10(24) W/m(2)) short-pulse (a few ten femtoseconds) laser illuminates a thin foil target of a hydrogen, foil electrons are accelerated and compressed longitudinally by a laser light pressure and fast electron bunches are produced in the thin foil target. The fast electron bunches pass through the foil target, and a strong magnetic field is produced near the opposite side of the foil target. Because the strong magnetic field confines the electrons, a localization of the electrons is observed at the opposite side of a laser illumination surface. The local electron bunch produces not only a longitudinal electric field, but also a transverse electric field, which is directed toward the laser axis. Protons are accelerated and extracted from the foil, and the proton bunch divergence is successfully suppressed by the transverse electric field.
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Affiliation(s)
- S Miyazaki
- Department of Material Science and Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan.
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19
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Barriga-Carrasco MD, Maynard G, Kurilenkov YK. Influence of transverse diffusion within the proton beam fast-ignitor scenario. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2004; 70:066407. [PMID: 15697514 DOI: 10.1103/physreve.70.066407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2004] [Revised: 07/02/2004] [Indexed: 05/24/2023]
Abstract
Fast ignition of an inertial confinement fusion target by an energetic proton beam is here re-examined. We put special emphasis on the role of the transverse dispersion of the beam induced during its travel between the proton source and the compressed deuterium-tritium (DT) fuel. The theoretical model and the computer code used in our calculations are presented. Different beam initial energy distributions are analyzed. We found that the beam exhibits small collective effects while multiple scattering collisions provide a substantial transverse dispersion of the beam. Therefore, the nuclear dispersion imposes severe restrictions on the schemes for fast ignitor even considering an ideal monoenergetic and noncorrelated proton beam.
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Affiliation(s)
- Manuel D Barriga-Carrasco
- Laboratoire de Physique des Gaz et des Plasmas, UMR-8578, Bâtiment 210, Université Paris XI, F-91405 Orsay, France
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20
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Malka V, Fritzler S, Lefebvre E, d'Humières E, Ferrand R, Grillon G, Albaret C, Meyroneinc S, Chambaret JP, Antonetti A, Hulin D. Practicability of protontherapy using compact laser systems. Med Phys 2004; 31:1587-92. [PMID: 15259663 DOI: 10.1118/1.1747751] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Protontherapy is a well-established approach to treat cancer due to the favorable ballistic properties of proton beams. Nevertheless, this treatment is today only possible with large scale accelerator facilities which are very difficult to install at existing hospitals. In this article we report on a new approach for proton acceleration up to energies within the therapeutic window between 60 and 200 MeV by using modern, high intensity and compact laser systems. By focusing such laser beams onto thin foils we obtained on target intensities of 6 x 10(19) W/cm2, which is sufficient to produce a well-collimated proton beam with an energy of up to 10 MeV. These results are in agreement with numerical simulations and indicate that proton energies within the therapeutic window should be obtained in the very near future using such economical and very compact laser systems. Hence, this approach could revolutionize cancer treatment by bringing the "lab to the hospital-rather than the hospital to the lab".
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Affiliation(s)
- Victor Malka
- Laboratoire d'Optique Appliquée-ENSTA, UMR 7639, CNRS, Ecole Polytechnique, 91761 Palaiseau, France.
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