B-field interactions and electrode optimization in the plasma electrode Pockels cell

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The researchers use a 32 cm plasma electrode Pockels cell (PEPC) prototype at Lawrence Livermore National Laboratory (LLNL) to determine switching performance in the presence of external magnetic fields. The interaction with external magnetic fields is important because of the B-fields generated by the high current flow through amplifier flashlamp arrays, and their proximity to the PEPC. We have experimentally determined what is the maximum allowable magnetic induction for good PEPC operation, and then calculate the magnetic induction generated by a flashlamp array to determine the minimum PEPC to amplifier spacing. The researchers have also experimentally determined the effect of ... continued below

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15 p.

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Fochs, S.N.; Rhodes, M. & Boley, C. October 1, 1996.

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Description

The researchers use a 32 cm plasma electrode Pockels cell (PEPC) prototype at Lawrence Livermore National Laboratory (LLNL) to determine switching performance in the presence of external magnetic fields. The interaction with external magnetic fields is important because of the B-fields generated by the high current flow through amplifier flashlamp arrays, and their proximity to the PEPC. We have experimentally determined what is the maximum allowable magnetic induction for good PEPC operation, and then calculate the magnetic induction generated by a flashlamp array to determine the minimum PEPC to amplifier spacing. The researchers have also experimentally determined the effect of a tandem PEPC placement. Several cathode designs are considered. The researchers revisit the hollow cathode design and investigate the tradeoffs between the hollow cathode and planar magnetron. The recent development of a metallic body for the future lx2 PEPC has led to experiments with a biased boundary in the PEPC. Experimental results of various biasing potentials and dielectric coating materials for the PEPC body are discussed.

Physical Description

15 p.

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INIS; OSTI as DE97051653

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  • 2. annual solid state lasers for applications to inertial confinement fusion (ICF), Paris (France), 22-25 Oct 1996

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  • Other: DE97051653
  • Report No.: UCRL-JC--124532
  • Report No.: CONF-9610225--12
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 461413
  • Archival Resource Key: ark:/67531/metadc680609

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Feb. 18, 2016, 11:43 a.m.

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Fochs, S.N.; Rhodes, M. & Boley, C. B-field interactions and electrode optimization in the plasma electrode Pockels cell, article, October 1, 1996; California. (digital.library.unt.edu/ark:/67531/metadc680609/: accessed January 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.