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Robert R. Peterson, Joseph J. MacFarlane, Ping Wang
Fusion Science and Technology | Volume 30 | Number 3 | December 1996 | Pages 431-435
National Ignition Facility | doi.org/10.13182/FST96-A11962978
Articles are hosted by Taylor and Francis Online.
The emission of x rays and debris ions by the National Ignition Facility direct and indirect targets are. compared in this paper. In the indirect drive targets, the fuel capsule is surrounded by a gold case, which filters out all but the hardest x rays from the capsule and collides with the capsule debris, generating large amounts of colder x rays that leave the target through laser entrance holes. The direct drive targets have no such case, so the debris and x rays from the capsule are un-obscured. Computer simulations of both targets demonstrate these differences.