Pulse front tilt steering in laser plasma accelerators
Abstract
We report on the effect of laser spatiotemporal coupling in laser plasma accelerators. Pulse front tilt in the driving laser causes asymmetry in the wakefield, resulting in deflection of the electron beam from the laser axis. We explore the physical mechanisms and propose a quantitative model of electron steering, which is validated with particle-in-cell simulations. Even a small amount of pulse front tilt can result in beam steering in the final down ramp of the plasma profile, which may lead to unexpected beam-pointing errors or fluctuations. On the other hand, it can be used to govern the final beam direction, which has consequences for staging laser plasma accelerators in a high-energy physics collider as well as x-ray generation for biological imaging.
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
- OSTI Identifier:
- 1542532
- Alternate Identifier(s):
- OSTI ID: 1577645
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Accelerators and Beams Journal Volume: 22 Journal Issue: 7; Journal ID: ISSN 2469-9888
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; Physics
Citation Formats
Thévenet, Maxence, Mittelberger, Daniel E., Nakamura, Kei, Lehe, Rémi, Schroeder, Carl B., Vay, Jean-Luc, Esarey, Eric, and Leemans, Wim P. Pulse front tilt steering in laser plasma accelerators. United States: N. p., 2019.
Web. doi:10.1103/PhysRevAccelBeams.22.071301.
Thévenet, Maxence, Mittelberger, Daniel E., Nakamura, Kei, Lehe, Rémi, Schroeder, Carl B., Vay, Jean-Luc, Esarey, Eric, & Leemans, Wim P. Pulse front tilt steering in laser plasma accelerators. United States. doi:10.1103/PhysRevAccelBeams.22.071301.
Thévenet, Maxence, Mittelberger, Daniel E., Nakamura, Kei, Lehe, Rémi, Schroeder, Carl B., Vay, Jean-Luc, Esarey, Eric, and Leemans, Wim P. Mon .
"Pulse front tilt steering in laser plasma accelerators". United States. doi:10.1103/PhysRevAccelBeams.22.071301.
@article{osti_1542532,
title = {Pulse front tilt steering in laser plasma accelerators},
author = {Thévenet, Maxence and Mittelberger, Daniel E. and Nakamura, Kei and Lehe, Rémi and Schroeder, Carl B. and Vay, Jean-Luc and Esarey, Eric and Leemans, Wim P.},
abstractNote = {We report on the effect of laser spatiotemporal coupling in laser plasma accelerators. Pulse front tilt in the driving laser causes asymmetry in the wakefield, resulting in deflection of the electron beam from the laser axis. We explore the physical mechanisms and propose a quantitative model of electron steering, which is validated with particle-in-cell simulations. Even a small amount of pulse front tilt can result in beam steering in the final down ramp of the plasma profile, which may lead to unexpected beam-pointing errors or fluctuations. On the other hand, it can be used to govern the final beam direction, which has consequences for staging laser plasma accelerators in a high-energy physics collider as well as x-ray generation for biological imaging.},
doi = {10.1103/PhysRevAccelBeams.22.071301},
journal = {Physical Review Accelerators and Beams},
number = 7,
volume = 22,
place = {United States},
year = {2019},
month = {7}
}
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevAccelBeams.22.071301
DOI: 10.1103/PhysRevAccelBeams.22.071301
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Works referencing / citing this record:
Laser and electron deflection from transverse asymmetries in laser-plasma accelerators
journal, December 2019
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