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Title: Visualization of relativistic laser pulses in underdense plasma

Abstract

We present experimental evidence of relativistic electron-cyclotron resonances (RECRs) in the vicinity of the relativistically intense pump laser of a laser wakefield accelerator (LWFA). The effects of the RECRs are visualized by imaging the driven plasma wave with a few-cycle, optical probe in transverse geometry. The probe experiences strong, spectrally dependent and relativistically modified birefringence in the vicinity of the pump that arises due to the plasma electrons’ relativistic motion in the pump’s electromagnetic fields. The spectral birefringence is strongly dependent on the local magnetic field distribution of the pump laser. Analysis and comparison to both 2D and 3D particle-in-cell simulations confirm the origin of the RECR effect and its appearance in experimental and simulated shadowgrams of the laser-plasma interaction. The RECR effect is relevant for any relativistic, magnetized plasma and in the case of LWFA could provide a nondestructive, in situ diagnostic for tracking the evolution of the pump’s intensity distribution with propagation through tenuous plasma.

Authors:
ORCiD logo; ; ORCiD logo; ORCiD logo; ; ; ; ORCiD logo; ; ORCiD logo; ; ORCiD logo; ; ; ;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE; Swedish Research Council (SRC)
OSTI Identifier:
1602376
Alternate Identifier(s):
OSTI ID: 1608486
Grant/Contract Number:  
AC02-76SF00515; A0060507594; AC02-05CH11231; 05P15SJFA1; 05K16SJC; 05K19SJC; 2016-05012
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Name: Physical Review Accelerators and Beams Journal Volume: 23 Journal Issue: 3; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; electron-cyclotron plasma waves; high intensity laser-plasma interactions; laser driven electron acceleration; laser-induced magnetic fields in plasmas; particle accelerations in plasmas; optical microscopy; optical plasma measurements particle-in-cell methods

Citation Formats

Schwab, M. B., Siminos, E., Heinemann, T., Ullmann, D., Karbstein, F., Kuschel, S., Sävert, A., Yeung, M., Hollatz, D., Seidel, A., Cole, J., Mangles, S. P. D., Hidding, B., Zepf, M., Skupin, S., and Kaluza, M. C. Visualization of relativistic laser pulses in underdense plasma. United States: N. p., 2020. Web. doi:10.1103/PhysRevAccelBeams.23.032801.
Schwab, M. B., Siminos, E., Heinemann, T., Ullmann, D., Karbstein, F., Kuschel, S., Sävert, A., Yeung, M., Hollatz, D., Seidel, A., Cole, J., Mangles, S. P. D., Hidding, B., Zepf, M., Skupin, S., & Kaluza, M. C. Visualization of relativistic laser pulses in underdense plasma. United States. doi:https://doi.org/10.1103/PhysRevAccelBeams.23.032801
Schwab, M. B., Siminos, E., Heinemann, T., Ullmann, D., Karbstein, F., Kuschel, S., Sävert, A., Yeung, M., Hollatz, D., Seidel, A., Cole, J., Mangles, S. P. D., Hidding, B., Zepf, M., Skupin, S., and Kaluza, M. C. Mon . "Visualization of relativistic laser pulses in underdense plasma". United States. doi:https://doi.org/10.1103/PhysRevAccelBeams.23.032801.
@article{osti_1602376,
title = {Visualization of relativistic laser pulses in underdense plasma},
author = {Schwab, M. B. and Siminos, E. and Heinemann, T. and Ullmann, D. and Karbstein, F. and Kuschel, S. and Sävert, A. and Yeung, M. and Hollatz, D. and Seidel, A. and Cole, J. and Mangles, S. P. D. and Hidding, B. and Zepf, M. and Skupin, S. and Kaluza, M. C.},
abstractNote = {We present experimental evidence of relativistic electron-cyclotron resonances (RECRs) in the vicinity of the relativistically intense pump laser of a laser wakefield accelerator (LWFA). The effects of the RECRs are visualized by imaging the driven plasma wave with a few-cycle, optical probe in transverse geometry. The probe experiences strong, spectrally dependent and relativistically modified birefringence in the vicinity of the pump that arises due to the plasma electrons’ relativistic motion in the pump’s electromagnetic fields. The spectral birefringence is strongly dependent on the local magnetic field distribution of the pump laser. Analysis and comparison to both 2D and 3D particle-in-cell simulations confirm the origin of the RECR effect and its appearance in experimental and simulated shadowgrams of the laser-plasma interaction. The RECR effect is relevant for any relativistic, magnetized plasma and in the case of LWFA could provide a nondestructive, in situ diagnostic for tracking the evolution of the pump’s intensity distribution with propagation through tenuous plasma.},
doi = {10.1103/PhysRevAccelBeams.23.032801},
journal = {Physical Review Accelerators and Beams},
number = 3,
volume = 23,
place = {United States},
year = {2020},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: https://doi.org/10.1103/PhysRevAccelBeams.23.032801

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    Works referencing / citing this record:

    Visualization of relativistic laser pulses in underdense plasma
    text, January 2020

    • Schwab, M. B.; Siminos, E.; Heinemann, T.
    • GSI Helmholtzzentrum fuer Schwerionenforschung, GSI, Darmstadt
    • DOI: 10.15120/gsi-2020-00463