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Title: Comment on “Controlling the spectral shape of nonlinear Thomson scattering with proper laser chirping”

Abstract

Rykovanov, Geddes, Schroeder, Esarey and Leemans [Phys. Rev. Accel. Beams 19, 030701 (2016); hereafter RGSEL] have recently reported on the analytic derivation for the laser pulse frequency modulation (chirping) which controls spectrum broadening for high laser pulse intensities. We demonstrate here that their results are the same as the exact solutions reported in Terzic, Deitrick, Hofler and Krafft [Phys. Rev. Lett. 112, 074801 (2014); hereafter TDHK]. While the two papers deal with circularly and linearly polarized laser pulses, respectively, the difference in expressions for the two is just the usual factor of 1/2 present from going from circular to linear polarization. Additionally, we note the authors used an approximation to the number of subsidiary peaks in the unchirped spectrum when a better solution is given in TDHK.

Authors:
;
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1322447
Alternate Identifier(s):
OSTI ID: 1327971
Report Number(s):
JLAB-ACP-16-2342; DOE/OR/23177-3957
Journal ID: ISSN 2469-9888; PRABFM; 098001
Grant/Contract Number:  
AC05-06OR23177
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Name: Physical Review Accelerators and Beams Journal Volume: 19 Journal Issue: 9; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Terzić, Balša, and Krafft, Geoffrey A. Comment on “Controlling the spectral shape of nonlinear Thomson scattering with proper laser chirping”. United States: N. p., 2016. Web. https://doi.org/10.1103/PhysRevAccelBeams.19.098001.
Terzić, Balša, & Krafft, Geoffrey A. Comment on “Controlling the spectral shape of nonlinear Thomson scattering with proper laser chirping”. United States. https://doi.org/10.1103/PhysRevAccelBeams.19.098001
Terzić, Balša, and Krafft, Geoffrey A. Thu . "Comment on “Controlling the spectral shape of nonlinear Thomson scattering with proper laser chirping”". United States. https://doi.org/10.1103/PhysRevAccelBeams.19.098001.
@article{osti_1322447,
title = {Comment on “Controlling the spectral shape of nonlinear Thomson scattering with proper laser chirping”},
author = {Terzić, Balša and Krafft, Geoffrey A.},
abstractNote = {Rykovanov, Geddes, Schroeder, Esarey and Leemans [Phys. Rev. Accel. Beams 19, 030701 (2016); hereafter RGSEL] have recently reported on the analytic derivation for the laser pulse frequency modulation (chirping) which controls spectrum broadening for high laser pulse intensities. We demonstrate here that their results are the same as the exact solutions reported in Terzic, Deitrick, Hofler and Krafft [Phys. Rev. Lett. 112, 074801 (2014); hereafter TDHK]. While the two papers deal with circularly and linearly polarized laser pulses, respectively, the difference in expressions for the two is just the usual factor of 1/2 present from going from circular to linear polarization. Additionally, we note the authors used an approximation to the number of subsidiary peaks in the unchirped spectrum when a better solution is given in TDHK.},
doi = {10.1103/PhysRevAccelBeams.19.098001},
journal = {Physical Review Accelerators and Beams},
number = 9,
volume = 19,
place = {United States},
year = {2016},
month = {9}
}

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