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Title: Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses

Abstract

American Physical Society. We investigate a new regime for betatron x-ray emission that utilizes kilojoule-class picosecond lasers to drive wakes in plasmas. When such laser pulses with intensities of ~5×1018 W/cm 2 are focused into plasmas with electron densities of ~1×1019 cm -3 , they undergo self-modulation and channeling, which accelerates electrons up to 200 MeV energies and causes those electrons to emit x rays. The measured x-ray spectra are fit with a synchrotron spectrum with a critical energy of 10-20 keV, and 2D particle-in-cell simulations were used to model the acceleration and radiation of the electrons in our experimental conditions.

Authors:
 [1];  [2];  [3];  [1];  [1];  [4];  [5];  [3];  [1];  [1];  [6];  [7];  [5];  [4];  [1];  [3]
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Los Angeles, CA (United States). Dept. of Electrical Engineering
  3. Univ. of California, Los Angeles, CA (United States). Dept. of Electrical Engineering
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. Lawrence Berkeley National Lab. (LBNL) and Univ. of California, Berkeley, CA (United States)
  6. Univ. of Lisbon (Portugal). Inst. of Plasma and Nuclear Fusion
  7. Univ. of California, Los Angeles, CA (United States). Dept. of Electrical Engineering; Univ. of Lisbon (Portugal). Inst. of Plasma and Nuclear Fusion
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Fusion Energy Sciences (FES)
OSTI Identifier:
1361074
Alternate Identifier(s):
OSTI ID: 1349547; OSTI ID: 1361583; OSTI ID: 1364532; OSTI ID: 1379784
Report Number(s):
LLNL-JRNL-701573
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US1702739
Grant/Contract Number:  
AC02-76SF00515; AC52-07NA27344; AC02-05CH11231; NA0002950; FWP 100182
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 118; Journal Issue: 13; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 43 PARTICLE ACCELERATORS

Citation Formats

Albert, F., Lemos, N., Shaw, J. L., Pollock, B. B., Goyon, C., Schumaker, W., Saunders, A. M., Marsh, K. A., Pak, A., Ralph, J. E., Martins, J. L., Amorim, L. D., Falcone, R. W., Glenzer, S. H., Moody, J. D., and Joshi, C. Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses. United States: N. p., 2017. Web. doi:10.1103/PhysRevLett.118.134801.
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Albert, F., Lemos, N., Shaw, J. L., Pollock, B. B., Goyon, C., Schumaker, W., Saunders, A. M., Marsh, K. A., Pak, A., Ralph, J. E., Martins, J. L., Amorim, L. D., Falcone, R. W., Glenzer, S. H., Moody, J. D., & Joshi, C. Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses. United States. https://doi.org/10.1103/PhysRevLett.118.134801
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Albert, F., Lemos, N., Shaw, J. L., Pollock, B. B., Goyon, C., Schumaker, W., Saunders, A. M., Marsh, K. A., Pak, A., Ralph, J. E., Martins, J. L., Amorim, L. D., Falcone, R. W., Glenzer, S. H., Moody, J. D., and Joshi, C. Fri . "Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses". United States. https://doi.org/10.1103/PhysRevLett.118.134801. https://www.osti.gov/servlets/purl/1361074.
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@article{osti_1361074,
title = {Observation of Betatron X-Ray Radiation in a Self-Modulated Laser Wakefield Accelerator Driven with Picosecond Laser Pulses},
author = {Albert, F. and Lemos, N. and Shaw, J. L. and Pollock, B. B. and Goyon, C. and Schumaker, W. and Saunders, A. M. and Marsh, K. A. and Pak, A. and Ralph, J. E. and Martins, J. L. and Amorim, L. D. and Falcone, R. W. and Glenzer, S. H. and Moody, J. D. and Joshi, C.},
abstractNote = {American Physical Society. We investigate a new regime for betatron x-ray emission that utilizes kilojoule-class picosecond lasers to drive wakes in plasmas. When such laser pulses with intensities of ~5×1018 W/cm 2 are focused into plasmas with electron densities of ~1×1019 cm -3 , they undergo self-modulation and channeling, which accelerates electrons up to 200 MeV energies and causes those electrons to emit x rays. The measured x-ray spectra are fit with a synchrotron spectrum with a critical energy of 10-20 keV, and 2D particle-in-cell simulations were used to model the acceleration and radiation of the electrons in our experimental conditions.},
doi = {10.1103/PhysRevLett.118.134801},
journal = {Physical Review Letters},
number = 13,
volume = 118,
place = {United States},
year = {Fri Mar 31 00:00:00 EDT 2017},
month = {Fri Mar 31 00:00:00 EDT 2017}
}
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https://doi.org/10.1103/PhysRevLett.118.134801
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    Works referencing / citing this record:

    Radiation emission in laser-wakefields driven by structured laser pulses with orbital angular momentum
    journal, July 2019

    Betatron x-ray radiation from laser-plasma accelerators driven by femtosecond and picosecond laser systems
    journal, May 2018

    • Albert, F.; Lemos, N.; Shaw, J. L.
    • Physics of Plasmas, Vol. 25, Issue 5
    • DOI: 10.1063/1.5020997

    X-ray analysis methods for sources from self-modulated laser wakefield acceleration driven by picosecond lasers
    journal, March 2019

    • King, P. M.; Lemos, N.; Shaw, J. L.
    • Review of Scientific Instruments, Vol. 90, Issue 3
    • DOI: 10.1063/1.5082965

    X-ray sources using a picosecond laser driven plasma accelerator
    journal, August 2019

    • Lemos, N.; King, P.; Shaw, J. L.
    • Physics of Plasmas, Vol. 26, Issue 8
    • DOI: 10.1063/1.5091798

    Characterization of high spatial resolution lithium fluoride X-ray detectors
    journal, June 2019

    • Mabey, P.; Albertazzi, B.; Michel, Th.
    • Review of Scientific Instruments, Vol. 90, Issue 6
    • DOI: 10.1063/1.5092265

    Simulation study of CO 2 laser-plasma interactions and self-modulated wakefield acceleration
    journal, August 2019

    • Kumar, Prabhat; Yu, Kwangmin; Zgadzaj, Rafal
    • Physics of Plasmas, Vol. 26, Issue 8
    • DOI: 10.1063/1.5095780

    High-resolution μCT of a mouse embryo using a compact laser-driven X-ray betatron source
    journal, June 2018

    • Cole, Jason M.; Symes, Daniel R.; Lopes, Nelson C.
    • Proceedings of the National Academy of Sciences, Vol. 115, Issue 25
    • DOI: 10.1073/pnas.1802314115

    Extremely intense laser-based electron acceleration in a plasma channel
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    • Vranic, Marija; Fonseca, Ricardo A.; Silva, Luis O.
    • Plasma Physics and Controlled Fusion, Vol. 60, Issue 3
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    Experimental signatures of direct-laser-acceleration-assisted laser wakefield acceleration
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    • Shaw, J. L.; Lemos, N.; Marsh, K. A.
    • Plasma Physics and Controlled Fusion, Vol. 60, Issue 4
    • DOI: 10.1088/1361-6587/aaade1

    Bremsstrahlung hard x-ray source driven by an electron beam from a self-modulated laser wakefield accelerator
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    • Lemos, N.; Albert, F.; Shaw, J. L.
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    High-resolution μCT of a mouse embryo using a compact laser-driven X-ray betatron source
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    • Cole, Jason M.; Symes, Daniel R.; Lopes, Nelson C.
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/pubdb-2020-00297
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