TUNNEL LENS

2D — |ψ(x)|² · potential · region shading

3D — ψ helix: x → depth, Re(ψ) / Im(ψ) → transverse (soft-GL)

STATUS
IDLE
E = k₀²/2
P_T (transmitted)
P_R (reflected)
analytic ⟨T⟩ packet
rel. err vs ⟨T⟩
norm drift
t / t_final