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Title: Observation of polarization dependent Raman scattering in a large scale plasma illuminated with multiple laser beams

Abstract

Here, experiments in plasmas produced with 2mm diameter gas filled targets preheated with 10kJ of laser energy have shown that the stimulated Raman scattering (SRS) of a high intensity, 351nm, beam is affected by the presence of a second, counterpropagating, high intensity beam and that has its polarization aligned to the first when the plasma conditions are relevant to ignition by indirect drive. Separate experiments with the crossing beam's polarization rotated to be normal to the first beam's polarization show little change in the SRS backscatter when the second beam is added, consistent with the reduction in the SRS being caused by low frequency waves driven by the ponderomotive force produced by the beating of the two beams.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [3]
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. CEA-DIF, Bruyeres-le-Chatel (France)
  3. Univ. of Rochester, Rochester, NY (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1415556
Report Number(s):
LLNL-JRNL-404845
Journal ID: ISSN 1070-664X; TRN: US1800835
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 13; Journal Issue: 8; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION

Citation Formats

Kirkwood, R. K., Moody, J. D., Niemann, C., Williams, E. A., Langdon, A. B., Landen, O. L., Divol, L., Suter, L. J., Depierreux, S., and Seka, W. Observation of polarization dependent Raman scattering in a large scale plasma illuminated with multiple laser beams. United States: N. p., 2006. Web. doi:10.1063/1.2215415.
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Kirkwood, R. K., Moody, J. D., Niemann, C., Williams, E. A., Langdon, A. B., Landen, O. L., Divol, L., Suter, L. J., Depierreux, S., & Seka, W. Observation of polarization dependent Raman scattering in a large scale plasma illuminated with multiple laser beams. United States. https://doi.org/10.1063/1.2215415
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Kirkwood, R. K., Moody, J. D., Niemann, C., Williams, E. A., Langdon, A. B., Landen, O. L., Divol, L., Suter, L. J., Depierreux, S., and Seka, W. Thu . "Observation of polarization dependent Raman scattering in a large scale plasma illuminated with multiple laser beams". United States. https://doi.org/10.1063/1.2215415. https://www.osti.gov/servlets/purl/1415556.
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@article{osti_1415556,
title = {Observation of polarization dependent Raman scattering in a large scale plasma illuminated with multiple laser beams},
author = {Kirkwood, R. K. and Moody, J. D. and Niemann, C. and Williams, E. A. and Langdon, A. B. and Landen, O. L. and Divol, L. and Suter, L. J. and Depierreux, S. and Seka, W.},
abstractNote = {Here, experiments in plasmas produced with 2mm diameter gas filled targets preheated with 10kJ of laser energy have shown that the stimulated Raman scattering (SRS) of a high intensity, 351nm, beam is affected by the presence of a second, counterpropagating, high intensity beam and that has its polarization aligned to the first when the plasma conditions are relevant to ignition by indirect drive. Separate experiments with the crossing beam's polarization rotated to be normal to the first beam's polarization show little change in the SRS backscatter when the second beam is added, consistent with the reduction in the SRS being caused by low frequency waves driven by the ponderomotive force produced by the beating of the two beams.},
doi = {10.1063/1.2215415},
journal = {Physics of Plasmas},
number = 8,
volume = 13,
place = {United States},
year = {Thu Aug 24 00:00:00 EDT 2006},
month = {Thu Aug 24 00:00:00 EDT 2006}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1063/1.2215415
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Works referenced in this record:

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journal, February 2004

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journal, October 1987

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journal, July 2003

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    Works referencing / citing this record:

    Reducing parametric backscattering by polarization rotation
    journal, October 2016

    • Barth, Ido; Fisch, Nathaniel J.
    • Physics of Plasmas, Vol. 23, Issue 10
    • DOI: 10.1063/1.4964291
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