Tomographic reconstruction of high-energy-density plasmas with picosecond temporal resolution |
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Authors: | Baker K L |
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Institution: | Lawrence Livermore National Laboratory, Livermore, California 94550, USA. baker7@llnl.gov |
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Abstract: | 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. A relatively simple experimental setup is proposed and simulations are carried out to verify the technique. The plasma distribution is modeled as a discrete number of phase screens, and a Zernike polynomial representation of the phase screens is used to reconstruct the plasma profile. |
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