Fig. 1. (a) Initial profiles of ρ (solid line), T (dot-dashed line), and v_z (dashed line) along the z axis. (b) Simulation setup for initial density profile.

Fig. 2. Profiles of ρ along the z axis after 4 ns of laser action for different wavelengths and adjusted intensity.

Fig. 3. Relative coupling efficiency between laser and kinetic energy of implosion fluid for different wavelengths.

Fig. 4. ARTI perturbations near the ablation surface after 4 ns of laser action for k_p = 2π/12.8 μm⁻¹ and different wavelengths λ: (a) 351 nm; (b) 150 nm; (c) 100 nm; (d) 65 nm; (e) 40 nm; (f) 30 nm.

Fig. 5. Average ARTI growth rates γ within 4 ns for k_p = 2π/12.8 μm⁻¹ and different laser wavelengths.

Fig. 6. Variation of main hydrodynamic parameters with laser action time at five representative wavelengths (351, 100, 65, 40, and 30 nm): (a) g; (b) L_m; (c) V_a; (d) conduction layer thickness L_c; (e) A_T; (f) theoretical ARTI growth rate.

Fig. 7. Variations with laser action time of simulated perturbation amplitude for different laser frequencies (symbols) and of perturbation amplitude calculated from the theoretical ARTI growth rate (dashed line).

Fig. 8. (a) Plasma density contours and direction of laser (red arrow) in the perturbation region. (b) and (c) Distributions of laser energy deposition after 3 ns of laser action at λ = 30 and 65 nm, respectively.

Fig. 9. Temperature contours of plasma after 4 ns of laser action at λ = 351 nm.

Fig. 10. Average ARTI growth rate γ within 4 ns at different laser wavelengths for I_b = 2 × 10¹⁴ W/cm² and 4 × 10¹⁴ W/cm².

Fig. 11. Variation of average ARTI growth rate γ within 4 ns with laser wavelength for k_p = 2π/25.6 and 2π/51.2 μm⁻¹.

Fig. 12. Density contours and perturbation region length h of plasma after 4 ns of laser action at λ = 351 nm for (a) k_p = 2π/25.6 μm⁻¹ and (b) k_p = 2π/51.2 μm⁻¹.