Table 1 Optimized combination of the selector parameters in order to obtain a final energy spread <20% for the energy range 2–20 MeV. The considered initial divergence is 3 mrad half-angle.

From: Design and optimization of a compact laser-driven proton beamline

Dipole length \({l}_{d}\)

10 cm

Dipole width \({w}_{d}\)

8 cm

Magnetic field \({B}_{y}\)

0.95 T

Width of the selecting slit \(a\)

500 µm