Fig. 5: Comparison of the acceleration fields. | Nature Communications

Fig. 5: Comparison of the acceleration fields.

From: Laser-driven proton acceleration beyond 100 MeV by radiation pressure and Coulomb repulsion in a conduction-restricted plasma

Fig. 5

a, b Evolution of the longitudinal electric fields Ex in planar and D = 30 μm foils, respectively. The average Ex in the region of 0 < y < 2 μm is plotted, and the dotted lines indicate the trajectory of the most energetic proton. The acceleration stages are labelled as the time goes.

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