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Investigating radiatively driven, magnetized plasmas with a university scale pulsed-power generator

  • Halliday, JWD
  • Crilly, A
  • Chittenden, J
  • Mancini, RC
  • Merlini, S
  • Rose, S
  • Russell, DR
  • Suttle, LG
  • Valenzuela-Villaseca, V
  • Bland, SN
  • Lebedev, SV
Publication Date
Mar 23, 2022
UPCommons. Portal del coneixement obert de la UPC
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We present first results from a novel experimental platform which is able to access physics relevant to topics including indirect-drive magnetised ICF; laser energy deposition; various topics in atomic physics; and laboratory astrophysics (for example the penetration of B-fields into HED plasmas). This platform uses the X-Rays from a wire array Z-Pinch to irradiate a silicon target, producing an outflow of ablated plasma. The ablated plasma expands into ambient, dynamically significant B-fields (~5 T) which are supported by the current flowing through the Z-Pinch. The outflows have a well-defined (quasi-1D) morphology, enabling the study of fundamental processes typically only available in more complex, integrated schemes. Experiments were fielded on the MAGPIE pulsed-power generator (1.4 MA, 240 ns rise time). On this machine a wire array Z-Pinch produces an X-Ray pulse carrying a total energy of ~15 kJ over ~30 ns. This equates to an average brightness temperature of around 10 eV on-target.

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