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Lindner FH, Fitzpatrick EG, Haffa D, Ponnath L, Schmidt AK, Speicher M, Zielbauer B, Schreiber J, Thirolf PG. Charge-state resolved laser acceleration of gold ions to beyond 7 MeV/u. Sci Rep 2022; 12:4784. [PMID: 35315434 PMCID: PMC8938412 DOI: 10.1038/s41598-022-08556-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 03/08/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractIn the past years, the interest in the laser-driven acceleration of heavy ions in the mass range of $$\text {A}\approx 200$$
A
≈
200
has been increasing due to promising application ideas like the fission-fusion nuclear reaction mechanism, aiming at the production of neutron-rich isotopes relevant for the astrophysical r-process nucleosynthesis. In this paper, we report on the laser acceleration of gold ions to beyond 7 MeV/u, exceeding for the first time an important prerequisite for this nuclear reaction scheme. Moreover, the gold ion charge states have been detected with an unprecedented resolution, which enables the separation of individual charge states up to 4 MeV/u. The recorded charge-state distributions show a remarkable dependency on the target foil thickness and differ from simulations, lacking a straight-forward explanation by the established ionization models.
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2
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Ostermayr TM, Kreuzer C, Englbrecht FS, Gebhard J, Hartmann J, Huebl A, Haffa D, Hilz P, Parodi K, Wenz J, Donovan ME, Dyer G, Gaul E, Gordon J, Martinez M, Mccary E, Spinks M, Tiwari G, Hegelich BM, Schreiber J. Laser-driven x-ray and proton micro-source and application to simultaneous single-shot bi-modal radiographic imaging. Nat Commun 2020; 11:6174. [PMID: 33268784 PMCID: PMC7710721 DOI: 10.1038/s41467-020-19838-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 10/29/2020] [Indexed: 11/16/2022] Open
Abstract
Radiographic imaging with x-rays and protons is an omnipresent tool in basic research and applications in industry, material science and medical diagnostics. The information contained in both modalities can often be valuable in principle, but difficult to access simultaneously. Laser-driven solid-density plasma-sources deliver both kinds of radiation, but mostly single modalities have been explored for applications. Their potential for bi-modal radiographic imaging has never been fully realized, due to problems in generating appropriate sources and separating image modalities. Here, we report on the generation of proton and x-ray micro-sources in laser-plasma interactions of the focused Texas Petawatt laser with solid-density, micrometer-sized tungsten needles. We apply them for bi-modal radiographic imaging of biological and technological objects in a single laser shot. Thereby, advantages of laser-driven sources could be enriched beyond their small footprint by embracing their additional unique properties, including the spectral bandwidth, small source size and multi-mode emission. Here the authors show a synchronized single-shot bi-modal x-ray and proton source based on laser-generated plasma. This source can be useful for radiographic and tomographic imaging.
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Affiliation(s)
- T M Ostermayr
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany. .,Max-Planck-Institut für Quantenoptik, 85748, Garching, Germany. .,Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
| | - C Kreuzer
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - F S Englbrecht
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - J Gebhard
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - J Hartmann
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - A Huebl
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - D Haffa
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - P Hilz
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany.,Helmholtz Institute Jena, 07743, Jena, Germany
| | - K Parodi
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - J Wenz
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany
| | - M E Donovan
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - G Dyer
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - E Gaul
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - J Gordon
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - M Martinez
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - E Mccary
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - M Spinks
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - G Tiwari
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - B M Hegelich
- Center for High Energy Density Science, University of Texas at Austin, Austin, TX, 78712, USA
| | - J Schreiber
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748, Garching, Germany. .,Max-Planck-Institut für Quantenoptik, 85748, Garching, Germany.
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3
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Lindner FH, Bin JH, Englbrecht F, Haffa D, Bolton PR, Gao Y, Hartmann J, Hilz P, Kreuzer C, Ostermayr TM, Rösch TF, Speicher M, Parodi K, Thirolf PG, Schreiber J. A novel approach to electron data background treatment in an online wide-angle spectrometer for laser-accelerated ion and electron bunches. Rev Sci Instrum 2018; 89:013301. [PMID: 29390656 DOI: 10.1063/1.5001990] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Laser-based ion acceleration is driven by electrical fields emerging when target electrons absorb laser energy and consecutively leave the target material. A direct correlation between these electrons and the accelerated ions is thus to be expected and predicted by theoretical models. We report on a modified wide-angle spectrometer, allowing the simultaneous characterization of angularly resolved energy distributions of both ions and electrons. Equipped with online pixel detectors, the RadEye1 detectors, the investigation of this correlation gets attainable on a single shot basis. In addition to first insights, we present a novel approach for reliably extracting the primary electron energy distribution from the interfering secondary radiation background. This proves vitally important for quantitative extraction of average electron energies (temperatures) and emitted total charge.
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Affiliation(s)
- F H Lindner
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - J H Bin
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - F Englbrecht
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - D Haffa
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - P R Bolton
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - Y Gao
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - J Hartmann
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - P Hilz
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - C Kreuzer
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - T M Ostermayr
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - T F Rösch
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - M Speicher
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - K Parodi
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - P G Thirolf
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
| | - J Schreiber
- Lehrstuhl für Experimentalphysik - Medizinische Physik, Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching bei München, Germany
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4
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Ostermayr TM, Gebhard J, Haffa D, Kiefer D, Kreuzer C, Allinger K, Bömer C, Braenzel J, Schnürer M, Cermak I, Schreiber J, Hilz P. A transportable Paul-trap for levitation and accurate positioning of micron-scale particles in vacuum for laser-plasma experiments. Rev Sci Instrum 2018; 89:013302. [PMID: 29390683 DOI: 10.1063/1.4995955] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We report on a Paul-trap system with large access angles that allows positioning of fully isolated micrometer-scale particles with micrometer precision as targets in high-intensity laser-plasma interactions. This paper summarizes theoretical and experimental concepts of the apparatus as well as supporting measurements that were performed for the trapping process of single particles.
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Affiliation(s)
- T M Ostermayr
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - J Gebhard
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - D Haffa
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - D Kiefer
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - C Kreuzer
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - K Allinger
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - C Bömer
- European XFEL, 22869 Schenefeld, Germany
| | - J Braenzel
- Max-Born-Institut, 12489 Berlin, Germany
| | - M Schnürer
- Max-Born-Institut, 12489 Berlin, Germany
| | - I Cermak
- CGC Instruments, Hübschmannstr. 18, 09112 Chemnitz, Germany
| | - J Schreiber
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
| | - P Hilz
- Ludwig-Maximilians-Universität München, Fakultät für Physik, 85748 Garching, Germany
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5
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Ostermayr TM, Haffa D, Hilz P, Pauw V, Allinger K, Bamberg KU, Böhl P, Bömer C, Bolton PR, Deutschmann F, Ditmire T, Donovan ME, Dyer G, Gaul E, Gordon J, Hegelich BM, Kiefer D, Klier C, Kreuzer C, Martinez M, McCary E, Meadows AR, Moschüring N, Rösch T, Ruhl H, Spinks M, Wagner C, Schreiber J. Proton acceleration by irradiation of isolated spheres with an intense laser pulse. Phys Rev E 2016; 94:033208. [PMID: 27739766 DOI: 10.1103/physreve.94.033208] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Indexed: 11/07/2022]
Abstract
We report on experiments irradiating isolated plastic spheres with a peak laser intensity of 2-3×10^{20}Wcm^{-2}. With a laser focal spot size of 10 μm full width half maximum (FWHM) the sphere diameter was varied between 520 nm and 19.3 μm. Maximum proton energies of ∼25 MeV are achieved for targets matching the focal spot size of 10 μm in diameter or being slightly smaller. For smaller spheres the kinetic energy distributions of protons become nonmonotonic, indicating a change in the accelerating mechanism from ambipolar expansion towards a regime dominated by effects caused by Coulomb repulsion of ions. The energy conversion efficiency from laser energy to proton kinetic energy is optimized when the target diameter matches the laser focal spot size with efficiencies reaching the percent level. The change of proton acceleration efficiency with target size can be attributed to the reduced cross-sectional overlap of subfocus targets with the laser. Reported experimental observations are in line with 3D3V particle in cell simulations. They make use of well-defined targets and point out pathways for future applications and experiments.
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Affiliation(s)
- T M Ostermayr
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany.,Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
| | - D Haffa
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - P Hilz
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - V Pauw
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - K Allinger
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - K-U Bamberg
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - P Böhl
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - C Bömer
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - P R Bolton
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - F Deutschmann
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - T Ditmire
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - M E Donovan
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - G Dyer
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - E Gaul
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - J Gordon
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - B M Hegelich
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - D Kiefer
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - C Klier
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - C Kreuzer
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - M Martinez
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - E McCary
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - A R Meadows
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - N Moschüring
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - T Rösch
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - H Ruhl
- Ludwig-Maximilians-Universität München, Theresienstr. 37, 80333 München, Germany
| | - M Spinks
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - C Wagner
- Center for High Energy Density Science, C1510, University of Texas at Austin, Austin, Texas 78712, USA
| | - J Schreiber
- Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany.,Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
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6
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Maaouni A, Benmansour A, Hamiani O, El Alaoui M, Outarahout O, Souadka A, Mellouki M, Ammar F, Haffa D. [Gastrointestinal tumours of muscular origin. 11 cases (author's transl)]. Chirurgie 1980; 106:629-35. [PMID: 7471980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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