19th International Symposium on Heavy Ion Inertial Fusion

Two stage focusing for FAIR and HIAF

13 Aug 2012, 17:05

20m

Crystal Ballroom (Shattuck Plaza Hotel)

Invited talk HIF Targets - Chairs: B. Sharkov and S. Kawata - Featured Posters: A. Ortner, A Bret, I.V. Lomonosov

Speaker

B. Logan

Description

B. G. Logan Key elements of a 44 page MathCAD study will be presented for two-stage longitudinal drift compression and final focusing of 200 GeV heavy ions using a combination of a dE/dx wedge for large (20-30%) tilt generation close to an X-target, followed by a shaped powered lithium lens for final achromatic focus. Key feasibility aspects of this concept include how wedge-shaped beam absorbers might be used to generate large velocity tilts with acceptable scattering, and how B-theta final lens might be modified to focus the velocity chirped, radially correlated drift compressed beam velocity spectrum to a common focus (self-beam generated foil stacks for X- ignition test targets, and pulse-powered lithium lens for FAIR and HIAF HEDP targets).