Generation of counter-streaming plasmas for collisionless shock experiment

Y. Sakawa, T. Ide, T. Morita, K. Tomita, K. Uchino, Y. Kuramitsu, N. Ohnishi, H. Takabe

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Abstract

The generation mechanism of counter-streaming plasmas, by irradiating an inner-surface of the 1st-plane of double-plane target, is investigated experimentally using optical imaging and collective Thomson scattering (CTS) ion-term measurement. The CTS measurement reveals that counter-streaming plasmas exist at the same time at the same position, which is the evidence for the collisionless interaction between the counter-streaming plasmas. The generation of the 2nd-plane plasma is in two steps: First, the 2nd-plane is ablated nearly at the laser timing by radiation from the 1st-plane plasma. Then ≃ 5−7ns later, when the plasma from the 1st-plane reaches the 2ns-plane, it induces higher-density plasma generation.

Original languageEnglish
Pages (from-to)207-211
Number of pages5
JournalHigh Energy Density Physics
Volume23
DOIs
Publication statusPublished - Jun 2017

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All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics

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