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DTRA’s advancements in nuclear and radiological detection
A new, more complex nuclear age has begun. Echoing the tensions of the Cold War amid rapidly evolving nuclear and radiological threats, preparedness in the modern age is a contest of scientific innovation. The Research and Development Directorate (RD) at the Defense Threat Reduction Agency (DTRA) is charged with winning this contest.
E. Mogahed, L. J. Wittenberg, E. Lovell, I. N. Sviatoslavsky, B. Choi
Fusion Science and Technology | Volume 21 | Number 3 | May 1992 | Pages 1578-1582
Inertial Fusion Driver | doi.org/10.13182/FST92-A29944
Articles are hosted by Taylor and Francis Online.
A magnetic lens has been designed which will focus 30 MeV Li+ ions emitted from a diode onto a DT filled target as required in the LIBRA-LiTE fusion reactor study. Thirty such lenses are located 2.05 m from the target. Each lens is a 5 turn solenoid magnet, 0.5 m long with a bore of 0.18 m and an average B field of 1.2 tesla. Liquid Li is used as the electrical conductor and heat transfer fluid. The front end of the magnet is fabricated from porous TZM alloy with a wetted Li surface. The lifetime of the magnet in this high radiation environment is predicted to be one calendar year.