Research Article

Coherent Population Trapping Resonances in Cs Atomic Vapor Layers of Micrometric Thickness

Figure 4

CPT bright resonance sign reversal with laser power density observed on the D2 line of Cs at the set of hyperfine transitions. Thin cell with and T = 34°C; CPT resonance profile (a) presented in absolute absorption scale; (b) zoomed-in arbitrary absorption units.
683415.fig.004a
(a)
683415.fig.004b
(b)