Local Measurement of Electron Density and Temperature in High Temperature Laser Plasma Using the Ion-Acoustic Dispersion

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The dispersion of ion-acoustic fluctuations has been measured using a novel technique that employs multiple color Thomson-scattering diagnostics to measure the frequency spectrum for two separate thermal ion-acoustic fluctuations with significantly different wave vectors. The plasma fluctuations are shown to become dispersive with increasing electron temperature. We demonstrate that this technique allows a time resolved local measurement of electron density and temperature in inertial confinement fusion plasmas.

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Froula, D H; Davis, P; Ross, S; Meezan, N; Divol, L; Price, D et al. September 20, 2005.

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The dispersion of ion-acoustic fluctuations has been measured using a novel technique that employs multiple color Thomson-scattering diagnostics to measure the frequency spectrum for two separate thermal ion-acoustic fluctuations with significantly different wave vectors. The plasma fluctuations are shown to become dispersive with increasing electron temperature. We demonstrate that this technique allows a time resolved local measurement of electron density and temperature in inertial confinement fusion plasmas.

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  • Presented at: 12th International Symposium on Laser-Aided Plasma Diagnostics, Snowbird, UT, United States, Sep 26 - Sep 29, 2005

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  • Report No.: UCRL-PROC-215792
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 885141
  • Archival Resource Key: ark:/67531/metadc892459

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  • September 20, 2005

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  • Sept. 23, 2016, 2:42 p.m.

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  • Nov. 29, 2016, 6:53 p.m.

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Froula, D H; Davis, P; Ross, S; Meezan, N; Divol, L; Price, D et al. Local Measurement of Electron Density and Temperature in High Temperature Laser Plasma Using the Ion-Acoustic Dispersion, article, September 20, 2005; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc892459/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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