From Single Atoms to Engineered “Super-Atoms”: Interfacing Photons and Atoms in Free Space

Figure 7

Single atoms fluorescence signal. Collected fluorescence signal from a single atom in an optical tweezer. The upper panel shows a CCD camera image in 2D using false color scheme and using 3D intensity representation of the corresponding atoms. As every atom contributes an equal amount of scattered photons, each step in the collected intensity signal represents trapping or loss of an atom as presented on the lower panel. The figure is from [61].