Figure 3: Pepper-pot emittance measurement using optical pattern formation. | Nature Communications

Figure 3: Pepper-pot emittance measurement using optical pattern formation.

From: High-coherence picosecond electron bunches from cold atoms

Figure 3

Typical pepper-pot images used to extract the emittance of femtosecond-excited CAES electron bunches. (a) A CCD image of the laser pulse used to excite the atom cloud. (b) Detected electron signal for an ionization wavelength of λ=478.00 nm. Scale bars, 2 mm.

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