Tomographic reconstruction of high energy density plasmas with picosecond temporal resolution

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Three-dimensional reconstruction of the electron density in a plasma can be obtained by passing multiple beams at different field angles simultaneously through a plasma and performing a tomographic reconstruction of the measured field-dependent phase profiles. In this letter, a relatively simple experimental setup is proposed and simulations are carried out to verify the technique. The plasma distribution is modeled as a discreet number of phase screens and a Zernike polynomial representation of the phase screens is used to reconstruct the plasma profile. Using a subpicosecond laser, the complete three-dimensional electron density of the plasma can be obtained with a time ... continued below

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Baker, K L September 20, 2005.

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Three-dimensional reconstruction of the electron density in a plasma can be obtained by passing multiple beams at different field angles simultaneously through a plasma and performing a tomographic reconstruction of the measured field-dependent phase profiles. In this letter, a relatively simple experimental setup is proposed and simulations are carried out to verify the technique. The plasma distribution is modeled as a discreet number of phase screens and a Zernike polynomial representation of the phase screens is used to reconstruct the plasma profile. Using a subpicosecond laser, the complete three-dimensional electron density of the plasma can be obtained with a time resolution limited only by the transit time of the probe through the plasma.

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PDF-file: 15 pages; size: 0 Kbytes

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  • Journal Name: Optics Letters; Journal Volume: 31; Journal Issue: 6

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  • Report No.: UCRL-JRNL-215649
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 885131
  • Archival Resource Key: ark:/67531/metadc891646

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Office of Scientific & Technical Information Technical Reports

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  • September 20, 2005

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  • Sept. 23, 2016, 2:42 p.m.

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  • Dec. 7, 2016, 11:13 p.m.

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Baker, K L. Tomographic reconstruction of high energy density plasmas with picosecond temporal resolution, article, September 20, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc891646/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.