Measurement of hot-electron production and microwave emission by laser-irradiated CH targets

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This work was an experimental study on hot-electron production and microwave emission by laser irradiated targets. The laser was a neodymium glass laser (1.06-..mu..m wavelength). Typically the laser beam consisted of a weak 3-mJ prepulse followed by a strong 30-J main pulse 8ns later. Both pulses had a temporal duration of 150 psec and were focused to a 30-..mu..m diameter spot. The majority of the data presented were obtained using exploding-foil-type targets, which had either copper or tin foils attached to the side pointed away from the laser. These foils emitted x-rays that were used to diagnose hot electron temperature, ... continued below

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Pages: 35

Creation Information

Heidrich, J.E.; Ault, S.K.; Koehler, H.A.; Pollaine, S.M.; Slivinsky, V.W.; Zacharias, R.A. et al. October 1, 1984.

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Description

This work was an experimental study on hot-electron production and microwave emission by laser irradiated targets. The laser was a neodymium glass laser (1.06-..mu..m wavelength). Typically the laser beam consisted of a weak 3-mJ prepulse followed by a strong 30-J main pulse 8ns later. Both pulses had a temporal duration of 150 psec and were focused to a 30-..mu..m diameter spot. The majority of the data presented were obtained using exploding-foil-type targets, which had either copper or tin foils attached to the side pointed away from the laser. These foils emitted x-rays that were used to diagnose hot electron temperature, energy and transport. Other targets used were plastic, brass, and copper disks. Specific goals of the experiment included: measurement of the hot-electron temperature and energy, determination of how the hot electrons spread from the point of their generation, and measurement of the microwave energy spectrum and total energy emitted from the targets.

Physical Description

Pages: 35

Notes

NTIS, PC A 03/MF A01; 1.

Source

  • Meeting of the Plasma Physics Division of the American Physical Society, Boston, MA, USA, 27 Oct 1984

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  • Other: DE85003139
  • Report No.: UCRL-91174
  • Report No.: CONF-841010-9
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 6116649
  • Archival Resource Key: ark:/67531/metadc1110159

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1984

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • March 20, 2018, 5:44 p.m.

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Heidrich, J.E.; Ault, S.K.; Koehler, H.A.; Pollaine, S.M.; Slivinsky, V.W.; Zacharias, R.A. et al. Measurement of hot-electron production and microwave emission by laser-irradiated CH targets, article, October 1, 1984; United States. (digital.library.unt.edu/ark:/67531/metadc1110159/: accessed November 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.