Figure 3
From: Attosecond electron bunches from a nanofiber driven by Laguerre-Gaussian laser pulses
Trajectories of some energetic electrons until t = 35T0 (a), the energy spectrum of the bunch (b) as marked in Fig. 1, and the electron emission angle at t = 60T0 (c). Here, θ = arctan (p⊥/p x ), ϕ = arctan (z/y), and \({p}_{\perp }={({p}_{y}^{2}+{p}_{z}^{2})}^{1/2}\). The bottom panel in (a) shows the electron density distribution in the xy plane at t = 20T0.
