Spontaneous emergence of non-planar electron orbits during direct laser acceleration by a linearly polarized laser pulse
Abstract
An electron irradiated by a linearly polarized relativistic intensity laser pulse in a cylindrical plasma channel can gain significant energy from the pulse. The laser electric and magnetic fields drive electron oscillations in a plane making it natural to expect the electron trajectory to be flat. We show that strong modulations of the relativistic γ-factor associated with the energy enhancement cause the free oscillations perpendicular to the plane of the driven motion to become unstable. As a consequence, out of plane displacements grow to become comparable to the amplitude of the driven oscillations and the electron trajectory becomes essentially three-dimensional, even if at an early stage of the acceleration it was flat. In conclusion, the development of the instability profoundly affects the x-ray emission, causing considerable divergence of the radiation perpendicular to the plane of the driven oscillations, while also reducing the overall emitted energy.
- Authors:
-
[1];
[1];
- The Univ. of Texas at Austin, Austin, TX (United States)
- STFC Rutherford-Appleton Lab., Didcot (United Kingdom)
- Univ. of Michigan, Ann Arbor, MI (United States)
- Publication Date:
- Research Org.:
- Univ. of Texas, Austin, TX (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC)
- OSTI Identifier:
- 1469683
- Alternate Identifier(s):
- OSTI ID: 1238202
- Grant/Contract Number:
- NA0002723; NA0002008; FG02-04ER54742; SC0007889; SC0010622; FG02- 04ER54742
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 23; Journal Issue: 2; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Arefiev, A. V., Khudik, V. N., Robinson, A. P. L., Shvets, G., and Willingale, L. Spontaneous emergence of non-planar electron orbits during direct laser acceleration by a linearly polarized laser pulse. United States: N. p., 2016.
Web. doi:10.1063/1.4942036.
Arefiev, A. V., Khudik, V. N., Robinson, A. P. L., Shvets, G., & Willingale, L. Spontaneous emergence of non-planar electron orbits during direct laser acceleration by a linearly polarized laser pulse. United States. https://doi.org/10.1063/1.4942036
Arefiev, A. V., Khudik, V. N., Robinson, A. P. L., Shvets, G., and Willingale, L. Tue .
"Spontaneous emergence of non-planar electron orbits during direct laser acceleration by a linearly polarized laser pulse". United States. https://doi.org/10.1063/1.4942036. https://www.osti.gov/servlets/purl/1469683.
@article{osti_1469683,
title = {Spontaneous emergence of non-planar electron orbits during direct laser acceleration by a linearly polarized laser pulse},
author = {Arefiev, A. V. and Khudik, V. N. and Robinson, A. P. L. and Shvets, G. and Willingale, L.},
abstractNote = {An electron irradiated by a linearly polarized relativistic intensity laser pulse in a cylindrical plasma channel can gain significant energy from the pulse. The laser electric and magnetic fields drive electron oscillations in a plane making it natural to expect the electron trajectory to be flat. We show that strong modulations of the relativistic γ-factor associated with the energy enhancement cause the free oscillations perpendicular to the plane of the driven motion to become unstable. As a consequence, out of plane displacements grow to become comparable to the amplitude of the driven oscillations and the electron trajectory becomes essentially three-dimensional, even if at an early stage of the acceleration it was flat. In conclusion, the development of the instability profoundly affects the x-ray emission, causing considerable divergence of the radiation perpendicular to the plane of the driven oscillations, while also reducing the overall emitted energy.},
doi = {10.1063/1.4942036},
journal = {Physics of Plasmas},
number = 2,
volume = 23,
place = {United States},
year = {Tue Feb 16 00:00:00 EST 2016},
month = {Tue Feb 16 00:00:00 EST 2016}
}
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Works referencing / citing this record:
Beyond the ponderomotive limit: Direct laser acceleration of relativistic electrons in sub-critical plasmas
journal, April 2016
- Arefiev, A. V.; Khudik, V. N.; Robinson, A. P. L.
- Physics of Plasmas, Vol. 23, Issue 5
Universal scalings for laser acceleration of electrons in ion channels
journal, October 2016
- Khudik, Vladimir; Arefiev, Alexey; Zhang, Xi
- Physics of Plasmas, Vol. 23, Issue 10
Breaking of dynamical adiabaticity in direct laser acceleration of electrons
journal, February 2017
- Robinson, A. P. L.; Arefiev, A. V.
- Physics of Plasmas, Vol. 24, Issue 2
Plasma block acceleration based upon the interaction between double targets and an ultra-intense linearly polarized laser pulse
journal, April 2018
- Xu, Yanxia; Wang, Jiaxiang; Hora, Heinrich
- Physics of Plasmas, Vol. 25, Issue 4
Direct laser acceleration of electrons in the plasma bubble by tightly focused laser pulses
journal, August 2019
- Wang, Tianhong; Khudik, Vladimir; Arefiev, Alexey
- Physics of Plasmas, Vol. 26, Issue 8
Extreme nonlinear dynamics in vacuum laser acceleration with a crossed beam configuration
journal, September 2019
- Robinson, A. P. L.; Tangtartharakul, K.; Weichman, K.
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Beyond the ponderomotive limit: direct laser acceleration of relativistic electrons in sub-critical plasmas
text, January 2016
- Arefiev, A. V.; Khudik, V. N.; Robinson, A. P. L.
- arXiv
Universal scalings for laser acceleration of electrons in ion channels
text, January 2016
- Khudik, Vladimir; Arefiev, Alexey; Zhang, Xi
- arXiv