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Title: Multi-electron beam generation using co-propagating, parallel laser beams

Abstract

High intensity short pulse laser plasma interaction experiments were performed to investigate laser wakefield acceleration (LWFA) in the 'bubble' regime. Using a specially designed phase plate, two high intensity laser focal spots were generated adjacent to each other with a transverse spacing of 70 μm and were focused onto a low density plasma target. We found that this configuration generated two simultaneous relativistic electron beams from LWFA (with low divergence) and that these beams often interact strongly with each other for longer propagation distances in the plasma thus reducing beam quality. In addition, it was observed that the existence of an adjacent laser driven wakefield significantly reduced the self-trapping threshold for injection of electrons. Numerical modeling of these interactions demonstrated similar phenomena and also showed that electron beam properties can be affected through precise control of the phase and polarization of the incident laser beam.

Authors:
 [1];  [2];  [2];  [2];  [1];  [2];  [2];  [2];  [1]; ORCiD logo [2]
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  1. Air Force Research Lab. (AFRL), Kirtland AFB, Albuquerque, NM (United States)
  2. Univ. of Michigan, Ann Arbor, MI (United States)
Publication Date:
Research Org.:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1500051
Grant/Contract Number:  
NA0002372
Resource Type:
Accepted Manuscript
Journal Name:
New Journal of Physics
Additional Journal Information:
Journal Volume: 20; Journal Issue: 9; Journal ID: ISSN 1367-2630
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Elle, J., Zhao, T. Z., Ma, Y., Behm, K., Lucero, A., Maksimchuk, A., Nees, J. A., Thomas, A. G. R., Schmitt-Sody, A., and Krushelnick, K. Multi-electron beam generation using co-propagating, parallel laser beams. United States: N. p., 2018. Web. doi:10.1088/1367-2630/aaded4.
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Elle, J., Zhao, T. Z., Ma, Y., Behm, K., Lucero, A., Maksimchuk, A., Nees, J. A., Thomas, A. G. R., Schmitt-Sody, A., & Krushelnick, K. Multi-electron beam generation using co-propagating, parallel laser beams. United States. https://doi.org/10.1088/1367-2630/aaded4
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Elle, J., Zhao, T. Z., Ma, Y., Behm, K., Lucero, A., Maksimchuk, A., Nees, J. A., Thomas, A. G. R., Schmitt-Sody, A., and Krushelnick, K. Tue . "Multi-electron beam generation using co-propagating, parallel laser beams". United States. https://doi.org/10.1088/1367-2630/aaded4. https://www.osti.gov/servlets/purl/1500051.
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@article{osti_1500051,
title = {Multi-electron beam generation using co-propagating, parallel laser beams},
author = {Elle, J. and Zhao, T. Z. and Ma, Y. and Behm, K. and Lucero, A. and Maksimchuk, A. and Nees, J. A. and Thomas, A. G. R. and Schmitt-Sody, A. and Krushelnick, K.},
abstractNote = {High intensity short pulse laser plasma interaction experiments were performed to investigate laser wakefield acceleration (LWFA) in the 'bubble' regime. Using a specially designed phase plate, two high intensity laser focal spots were generated adjacent to each other with a transverse spacing of 70 μm and were focused onto a low density plasma target. We found that this configuration generated two simultaneous relativistic electron beams from LWFA (with low divergence) and that these beams often interact strongly with each other for longer propagation distances in the plasma thus reducing beam quality. In addition, it was observed that the existence of an adjacent laser driven wakefield significantly reduced the self-trapping threshold for injection of electrons. Numerical modeling of these interactions demonstrated similar phenomena and also showed that electron beam properties can be affected through precise control of the phase and polarization of the incident laser beam.},
doi = {10.1088/1367-2630/aaded4},
journal = {New Journal of Physics},
number = 9,
volume = 20,
place = {United States},
year = {Tue Sep 04 00:00:00 EDT 2018},
month = {Tue Sep 04 00:00:00 EDT 2018}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1088/1367-2630/aaded4
Copyright Statement
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Figures / Tables:

Figure 1 Figure 1: Schematic of themirror used to induce pi phase shift. Beam incident on the portion of themirrorwithout the additional SiO2 layer travels 400 nm (λ/2) farther.
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Works referenced in this record:

On the stability of laser wakefield electron accelerators in the monoenergetic regime
journal, May 2007

  • Mangles, S. P. D.; Thomas, A. G. R.; Lundh, O.
  • Physics of Plasmas, Vol. 14, Issue 5
  • DOI: 10.1063/1.2436481

A laser–plasma accelerator producing monoenergetic electron beams
journal, September 2004

Stable generation of GeV-class electron beams from self-guided laser–plasma channels
journal, August 2008

GeV electron beams from a centimetre-scale accelerator
journal, September 2006

  • Leemans, W. P.; Nagler, B.; Gonsalves, A. J.
  • Nature Physics, Vol. 2, Issue 10
  • DOI: 10.1038/nphys418

High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding
journal, September 2004

  • Geddes, C. G. R.; Toth, Cs.; van Tilborg, J.
  • Nature, Vol. 431, Issue 7008
  • DOI: 10.1038/nature02900

Monoenergetic beams of relativistic electrons from intense laser–plasma interactions
journal, September 2004

  • Mangles, S. P. D.; Murphy, C. D.; Najmudin, Z.
  • Nature, Vol. 431, Issue 7008
  • DOI: 10.1038/nature02939

Generation of high charged energetic electrons by using multiparallel laser pulses
journal, October 2010

  • Wen, Meng; Shen, Baifei; Zhang, Xiaomei
  • Physics of Plasmas, Vol. 17, Issue 10
  • DOI: 10.1063/1.3499354

Acceleration of on-axis and ring-shaped electron beams in wakefields driven by Laguerre-Gaussian pulses
journal, March 2016

  • Zhang, Guo-Bo; Chen, Min; Luo, Ji
  • Journal of Applied Physics, Vol. 119, Issue 10
  • DOI: 10.1063/1.4943419

Controlled injection and acceleration of electrons in plasma wakefields by colliding laser pulses
journal, December 2006

Multiple quasi-monoenergetic electron beams from laser-wakefield acceleration with spatially structured laser pulse
journal, August 2015

  • Ma, Y.; Chen, L. M.; Li, M. H.
  • Physics of Plasmas, Vol. 22, Issue 8
  • DOI: 10.1063/1.4927584

Contemporary particle-in-cell approach to laser-plasma modelling
journal, September 2015

Near-GeV Acceleration of Electrons by a Nonlinear Plasma Wave Driven by a Self-Guided Laser Pulse
journal, July 2009

Plasma-Density-Gradient Injection of Low Absolute-Momentum-Spread Electron Bunches
journal, May 2008

Injection and Trapping of Tunnel-Ionized Electrons into Laser-Produced Wakes
journal, January 2010

Ionization Induced Trapping in a Laser Wakefield Accelerator
journal, January 2010

Physics of laser-driven plasma-based electron accelerators
journal, August 2009

Femtosecond x rays from laser-plasma accelerators
journal, January 2013

Observation of a Long-Wavelength Hosing Modulation of a High-Intensity Laser Pulse in Underdense Plasma
journal, August 2010

Ultra-high intensity- 300-TW laser at 0.1 Hz repetition rate
journal, January 2008

  • Yanovsky, V.; Chvykov, V.; Kalinchenko, G.
  • Optics Express, Vol. 16, Issue 3
  • DOI: 10.1364/OE.16.002109

Nonlinear Laser Driven Donut Wakefields for Positron and Electron Acceleration
journal, May 2014

Femtosecond x rays from laser-plasma accelerators
text, January 2013

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