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Seminar

Physics & Astronomy

Speaker: 1) Yingchao Lu 2) Joseph Barchas
Rice University

AU - 1) MAGNETIZED JET CREATION USING A HOLLOW RING OF LASER BEAMS

Wednesday, March 8, 2017
12:00 PM  to 12:50 PM

227  Herman Brown Hall
Rice University
6100 Main St
Houston, Texas, USA

1) Using 20 Omega laser beams to irradiate a flat plastic target in a hollow ring pattern, we demonstrated that by increasing the radius of the ring, the on-axis electron and ion density, temperature are higher. The jet created by the hollow ring laser is also more collimated. Proton radiography was used to probe the magnetic field in the jet. The results from FLASH 3D full-physics MHD simulation agree with the experiment data, and show interesting filimentation structures of magnetic field. These results demonstrate that magnetized jets created by a hollow ring of laser beams can become a versatile new platform for laboratory astrophysics.

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