Volume 27 Issue 03
Mar.  2015
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Zhou Weimin, Shan Lianqiang, Wu Junfeng, et al. Material mixing of cone-in-shell targets for indirect-drive fast ignition[J]. High Power Laser and Particle Beams, 2015, 27: 032017. doi: 10.11884/HPLPB201527.032017
Citation: Zhou Weimin, Shan Lianqiang, Wu Junfeng, et al. Material mixing of cone-in-shell targets for indirect-drive fast ignition[J]. High Power Laser and Particle Beams, 2015, 27: 032017. doi: 10.11884/HPLPB201527.032017

Material mixing of cone-in-shell targets for indirect-drive fast ignition

doi: 10.11884/HPLPB201527.032017
  • Received Date: 2014-10-27
  • Rev Recd Date: 2014-12-03
  • Publish Date: 2015-02-10
  • Compared with central ignition of laser fusion, fast ignition separates compression and ignition thus it can relax the requirements for the implosion symmetry and the driven energy. Indirect drive pre-compression of cone-in-shell target for fast ignition was performed on Shenguang Ⅱ laser facility. The temporal evolution of the target was observed by the X-ray backlight framed camera. The density and areal density of the compressed fuel which were obtained from the backlight figures are 30 g/cm3 and 50 mg/cm2 separately. To minimize the mixing of the compressed fuel and cone high-Z vapor produced by the M-line emission from the gold holhraum, a CH foil was coated on the full outer surface of the cone. Experimental results and simulation results demonstrated that the coated CH foil could minimize the mixing effectively.
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