PSFC/JA-03-02 Superconducting options for final optics magnets for the Heavy Ion Driver in Inertial Fusion Energy

The environment close to the chamber in inertial fusion confinement imposes severe constrains on magnets used for final focusing magnets needed for the heavy ion driver. Space is at a premium, requiring close proximity of adjacent magnets, making magnet integration imperative. In addition, the high radiation flux and heating rate imposes requirements that are as stringent as in magnetic fusion. In this paper, the options for final focusing magnet topologies are described. Implication of using both high Tc and conventional low temperature superconductors are investigated. The use of HTS material may offer an opportunity for a fundamentally different approach to magnet construction leading to either lower cost or reduced maintenance.