Fig. 1. Initial plasma density distributions. (a) Multilayers target; (b) conical-entry-multilayer target

Fig. 2. Distributions of hot electron energy density. (a)(c) Multilayers target; (b)(d) conical-entry-multilayer target

Fig. 3. Longitudinal and transverse distributions of hot electrons in both targets at 80T₀. (a) Longitudinal distribution in the region -5λ₀<y<5λ₀; (b) transverse distribution in the region x>12λ₀

Fig. 4. Energy spectrum and divergence angle distribution of electrons behind both targets. (a) Energy spectrum of electrons diagnosed at x=27λ₀ in both targets, in time range of 50T₀--80T₀; (b) divergence angle distribution of hot electrons with energy range of 1--10 MeV and divergence angle range of -80°--80°

Fig. 5. Logarithm distributions of electrons in x-energy phase spaces at 80T₀. (a) Multilayers target; (b) conical-entry-multilayer target

Fig. 6. Distributions of laser magnetic field B_Z for conical-entry-multilayer target. (a) t=50T₀; (b) t=80T₀

Fig. 7. Distributions of longitudinal current density component J_x. (a)(c) Multilayers target; (b)(d) conical-entry-multilayer target

Fig. 8. Distributions of self-generated magnetic field B_Z'. (a)(c) Multilayers target; (b)(d) conical-entry-multilayer target