Figure 2
From: Electro-optic spatial decoding on the spherical-wavefront Coulomb fields of plasma electron sources
Typical EO signals and corresponding electron energy spectra. EO signals are shown in: (a) when no electron beams were generated at lower plasma density; (b) when electron beams were generated at a higher plasma density. The corresponding electron spectra are illustrated in (c) and (d), respectively. The X and Y coordinates in (a) and (b) denote the measured displacement on the CCD. The red arrow illustrates the signal arrival timing direction. The color bars denote the signal intensities on the CCDs. In the experiment, the background EO signal intensity is ∼1600.
