Far-field constant-gradient laser accelerator of electrons in an ion channel

Khudik, Vladimir N.; Zhang, Xi; Wang, Tianhong; Shvets, Gennady

doi:10.1063/1.5036967

Title: Far-field constant-gradient laser accelerator of electrons in an ion channel

Journal Article · 29 July 2018 · Physics of Plasmas

DOI: https://doi.org/10.1063/1.5036967 · OSTI ID:1540220

^[1]; Zhang, Xi ^[2];

^[3]; Shvets, Gennady ^[3]

Univ. of Texas, Austin, TX (United States); Cornell Univ., Ithaca, NY (United States); DOE/OSTI
Univ. of Texas, Austin, TX (United States)
Cornell Univ., Ithaca, NY (United States)

In this paper, we predict that electrons in an ion channel can gain ultra-relativistic energies by simultaneously interacting with a laser pulse and, counter-intuitively, with a decelerating electric field. The crucial role of the decelerating field is to maintain high-amplitude betatron oscillations, thereby enabling constant rate energy flow to the electrons via the inverse ion channel laser mechanism. Multiple harmonics of the betatron motion can be employed. Injecting electrons into a decelerating phase of a laser wakefield accelerator is one practical implementation of the scheme.

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Research Organization:: Univ. of Texas, Austin, TX (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0007889; SC0010622

OSTI ID:: 1540220

Alternate ID(s):: OSTI ID: 1462158

Journal Information:: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 8 Vol. 25; ISSN 1070-664X

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

Country of Publication:: United States

Language:: English

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Cited By (4)

Stochastic electron heating in the laser and quasi-static electric and magnetic fields Zhang, Yanzeng; Krasheninnikov, S. I.; Knyazev, Alexey arXiv https://doi.org/10.48550/arxiv.1810.11574	preprint	January 2018
Stochastic electron heating in the laser and quasi-static electric and magnetic fields Zhang, Yanzeng; Krasheninnikov, S. I.; Knyazev, Alexey Physics of Plasmas, Vol. 25, Issue 12 https://doi.org/10.1063/1.5054929	journal	December 2018
Direct laser acceleration of electrons in the plasma bubble by tightly focused laser pulses Wang, Tianhong; Khudik, Vladimir; Arefiev, Alexey Physics of Plasmas, Vol. 26, Issue 8 https://doi.org/10.1063/1.5110407	journal	August 2019
Effects of laser polarization and wavelength on hybrid laser wakefield and direct acceleration Zhang, Xi; Wang, T.; Khudik, V. N. Plasma Physics and Controlled Fusion, Vol. 60, Issue 10 https://doi.org/10.1088/1361-6587/aad76f	journal	August 2018

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