Experiments to investigate the effects of radiative cooling on plasma jet collimation

C. D. Gregory, A. Dizière, H. Aoki, H. Tanji, T. Ide, É Falize, B. Loupias, C. Michaut, T. Morita, S. A. Pikuz, A. Ravasio, Y. Kuramitsu, Y. Sakawa, H. Takabe, N. C. Woolsey, M. Koenig

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Abstract

Preliminary experiments have been performed to investigate the effects of radiative cooling on plasma jets. Thin (3μm-5μm) conical shells were irradiated with an intense laser, driving jets with velocities >100kms-1. Through the use of different targets materials - aluminium, copper and gold - the degree of radiative losses was altered, and their importance for jet collimation investigated. A number of temporally-resolved optical diagnostics was used, providing information about the jet evolution. Gold jets were seen to be narrower than those from copper targets, while aluminium targets produced the least collimated flows.

Original languageEnglish
Pages (from-to)12-16
Number of pages5
JournalHigh Energy Density Physics
Volume11
Issue number1
DOIs
Publication statusPublished - Jun 1 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics

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    Gregory, C. D., Dizière, A., Aoki, H., Tanji, H., Ide, T., Falize, É., Loupias, B., Michaut, C., Morita, T., Pikuz, S. A., Ravasio, A., Kuramitsu, Y., Sakawa, Y., Takabe, H., Woolsey, N. C., & Koenig, M. (2014). Experiments to investigate the effects of radiative cooling on plasma jet collimation. High Energy Density Physics, 11(1), 12-16. https://doi.org/10.1016/j.hedp.2013.12.003