The sources of super-high energetic electron at relativistic circularly-polarized laser-solid interactions in the presence of large scale pre-plasmas

Wu, D.; Krasheninnikov, S. I.; Luan, S. X.; Yu, W.

doi:10.1063/1.4972539

Title: The sources of super-high energetic electron at relativistic circularly-polarized laser-solid interactions in the presence of large scale pre-plasmas

Journal Article · 21 December 2016 · Physics of Plasmas

DOI: https://doi.org/10.1063/1.4972539 · OSTI ID:1465376

Wu, D. ^[1]; Krasheninnikov, S. I. ^[2]; Luan, S. X. ^[3]; Yu, W. ^[3]

Chinese Academy of Sciences (CAS), Shanghai (China); Univ Calif San Diego, La Jolla, CA 92093 USA
Univ. of California-San Diego, La Jolla, CA (United States)
Chinese Academy of Sciences (CAS), Shanghai (China)

Here, the two stage electron acceleration model is extended to investigate the sources of super-hot electrons at intense circularly polarized (CP) laser solid interactions. It is found that in the presence of large scale pre-formed plasmas, super-high energetic electrons can be generated. For laser of intensity 10²⁰ W/cm² and pre-plasma of scale-length 10 μm, the cut-off energy of electrons by CP laser can be as high as 120 MeV compared with 100 MeV by linearly polarized laser. This unexpected acceleration can be also explained by the two-stage acceleration model. The envelop modulation of reflected CP laser is figured out, and a modified scaling law of the maximal-possible energy gain when including the modulation effect is obtained.

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Research Organization:: Univ. of California San Diego, La Jolla, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: NA0001858

OSTI ID:: 1465376

Alternate ID(s):: OSTI ID: 1337434

Journal Information:: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 12 Vol. 23; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Particle-in-cell simulations of laser–plasma interactions at solid densities and relativistic intensities: the role of atomic processes Wu, D.; He, X. T.; Yu, W. High Power Laser Science and Engineering, Vol. 6 https://doi.org/10.1017/hpl.2018.41	journal	January 2018
High-order implicit particle-in-cell method for plasma simulations at solid densities Wu, D.; Yu, W.; Fritzsche, S. Physical Review E, Vol. 100, Issue 1 https://doi.org/10.1103/physreve.100.013207	journal	July 2019
Particle-in-cell simulations of laser–plasma interactions at solid densities and relativistic intensities: the role of atomic processes Wu, D.; He, X. T.; Yu, W. GSI Helmholtzzentrum fuer Schwerionenforschung, GSI, Darmstadt https://doi.org/10.15120/gsi-2018-00994	text	January 2018
Magetostatic amplifier with tunable maximum by twisted-light plasma interactions Wu, D.; Wang, J. W. arXiv https://doi.org/10.48550/arxiv.1701.00651	text	January 2017
Magetostatic amplifier with tunable maximum by twisted-light plasma interactions Wu, D.; Wang, J. W. Plasma Physics and Controlled Fusion, Vol. 59, Issue 9 https://doi.org/10.1088/1361-6587/aa77c5	journal	August 2017
The controllable electron-heating by external magnetic fields at relativistic laser-solid interactions in the presence of large scale pre-plasmas Wu, D.; Luan, S. X.; Wang, J. W. Plasma Physics and Controlled Fusion, Vol. 59, Issue 6 https://doi.org/10.1088/1361-6587/aa69a9	journal	April 2017
Effects of resistive magnetic instability and electron refluxing on fast electron dynamics and bremsstrahlung radiation characteristics in relativistic laser-solid interaction Ren, Jieru; Wu, Dong; Hoffmann, Dieter H. H. Plasma Physics and Controlled Fusion, Vol. 61, Issue 9 https://doi.org/10.1088/1361-6587/ab3473	journal	August 2019
Characteristics of X/γ-ray radiations by intense laser interactions with high-Z solids: The role of bremsstrahlung and radiation reactions Wu, D.; Yu, W.; Zhao, Y. T. Matter and Radiation at Extremes, Vol. 3, Issue 6 https://doi.org/10.1016/j.mre.2018.06.002	journal	November 2018

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