Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP
Abstract Laser-plasma accelerators (LPAs) driven by picosecond-scale, kilojoule-class lasers can generate particle beams and x-ray sources that could be utilized in experiments driven by multi-kilojoule, high-energy-density science (HEDS) drivers such as the OMEGA laser at the Laboratory for Laser E...
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2021
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oai:doaj.org-article:2962f3efa02f497fa077ed279aa206a02021-12-02T18:15:34ZMicrocoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP10.1038/s41598-021-86523-52045-2322https://doaj.org/article/2962f3efa02f497fa077ed279aa206a02021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86523-5https://doaj.org/toc/2045-2322Abstract Laser-plasma accelerators (LPAs) driven by picosecond-scale, kilojoule-class lasers can generate particle beams and x-ray sources that could be utilized in experiments driven by multi-kilojoule, high-energy-density science (HEDS) drivers such as the OMEGA laser at the Laboratory for Laser Energetics (LLE) or the National Ignition Facility at Lawrence Livermore National Laboratory. This paper reports on the development of the first LPA driven by a short-pulse, kilojoule-class laser (OMEGA EP) connected to a multi-kilojoule HEDS driver (OMEGA). In experiments, electron beams were produced with electron energies greater than 200 MeV, divergences as low as 32 mrad, charge greater than 700 nC, and conversion efficiencies from laser energy to electron energy up to 11%. The electron beam charge scales with both the normalized vector potential and plasma density. These electron beams show promise as a method to generate MeV-class radiography sources and improved-flux broadband x-ray sources at HEDS drivers.J. L. ShawM. A. Romo-GonzalezN. LemosP. M. KingG. BruhaugK. G. MillerC. DorrerB. KruschwitzL. WaxerG. J. WilliamsM. V. AmbatM. M. McKieM. D. SinclairW. B. MoriC. JoshiHui ChenJ. P. PalastroF. AlbertD. H. FroulaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021) |
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Medicine R Science Q J. L. Shaw M. A. Romo-Gonzalez N. Lemos P. M. King G. Bruhaug K. G. Miller C. Dorrer B. Kruschwitz L. Waxer G. J. Williams M. V. Ambat M. M. McKie M. D. Sinclair W. B. Mori C. Joshi Hui Chen J. P. Palastro F. Albert D. H. Froula Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP |
description |
Abstract Laser-plasma accelerators (LPAs) driven by picosecond-scale, kilojoule-class lasers can generate particle beams and x-ray sources that could be utilized in experiments driven by multi-kilojoule, high-energy-density science (HEDS) drivers such as the OMEGA laser at the Laboratory for Laser Energetics (LLE) or the National Ignition Facility at Lawrence Livermore National Laboratory. This paper reports on the development of the first LPA driven by a short-pulse, kilojoule-class laser (OMEGA EP) connected to a multi-kilojoule HEDS driver (OMEGA). In experiments, electron beams were produced with electron energies greater than 200 MeV, divergences as low as 32 mrad, charge greater than 700 nC, and conversion efficiencies from laser energy to electron energy up to 11%. The electron beam charge scales with both the normalized vector potential and plasma density. These electron beams show promise as a method to generate MeV-class radiography sources and improved-flux broadband x-ray sources at HEDS drivers. |
format |
article |
author |
J. L. Shaw M. A. Romo-Gonzalez N. Lemos P. M. King G. Bruhaug K. G. Miller C. Dorrer B. Kruschwitz L. Waxer G. J. Williams M. V. Ambat M. M. McKie M. D. Sinclair W. B. Mori C. Joshi Hui Chen J. P. Palastro F. Albert D. H. Froula |
author_facet |
J. L. Shaw M. A. Romo-Gonzalez N. Lemos P. M. King G. Bruhaug K. G. Miller C. Dorrer B. Kruschwitz L. Waxer G. J. Williams M. V. Ambat M. M. McKie M. D. Sinclair W. B. Mori C. Joshi Hui Chen J. P. Palastro F. Albert D. H. Froula |
author_sort |
J. L. Shaw |
title |
Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP |
title_short |
Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP |
title_full |
Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP |
title_fullStr |
Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP |
title_full_unstemmed |
Microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μC) laser plasma accelerator on OMEGA EP |
title_sort |
microcoulomb (0.7 ± $$\frac{0.4}{0.2}$$ 0.4 0.2 μc) laser plasma accelerator on omega ep |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/2962f3efa02f497fa077ed279aa206a0 |
work_keys_str_mv |
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