Observation of laser power amplification in a self-injecting laser wakefield accelerator

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Title: Observation of laser power amplification in a self-injecting laser wakefield accelerator
Authors: Streeter, M
Kneip, S
Bloom, M
Bendoyro, RA
Chekhlov, O
Dangor, AE
Doepp, A
Hooker, CJ
Holloway, J
Jiang, J
Lopes, N
Nakamura, H
Norreys, PA
Palmer, C
Rajeev, PP
Schreiber, J
Symes, D
Wing, M
Mangles, SPD
Najmudin, Z
Item Type: Journal Article
Abstract: We report on the depletion and power ampli cation of the driving laser pulse in a strongly-driven laser wake eld accelerator. Simultaneous measurement of the transmitted pulse energy and temporal shape indicate an increase in peak power from 187 11 TW to a maximum of 318 12 TW after 13 mm of propagation in plasma density of 0 : 9 10 18 cm 3 . The power ampli cation is correlated with the injection and acceleration of electrons in the non-linear wake eld. This process is modeled by including localized redshift and subsequent group delay dispersion at the laser pulse front.
Issue Date: 19-Jun-2018
Date of Acceptance: 24-Apr-2018
URI: http://hdl.handle.net/10044/1/60052
DOI: https://doi.org/10.1103/PhysRevLett.120.254801
ISSN: 0031-9007
Publisher: American Physical Society
Start Page: 254801-1
End Page: 254801-6
Journal / Book Title: Physical Review Letters
Volume: 120
Issue: 254801
Copyright Statement: © 2018 American Physical Society.
Sponsor/Funder: The Royal Society
Engineering & Physical Science Research Council (EPSRC)
The Royal Society
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Funder's Grant Number: 516002.K501/SC/RCH/ROG
EP/I014462/1
UF110105
ST/J002062/1 John Adams Inst
ST/P000835/1
ST/P002021/1
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
ELECTRON-BEAMS
INTENSE
02 Physical Sciences
General Physics
Publication Status: Published
Online Publication Date: 2018-06-19
Appears in Collections:Physics
Plasma Physics
Faculty of Natural Sciences



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