Fig. 4: Lamb-dip center frequency vs SCAR beam power.
From: Absolute frequency metrology of buffer-gas-cooled molecular spectra at 1 kHz accuracy level
Line-center frequency (main frame) and FWHM (inset) of the saturation dip as a function of PSCAR, for fHe = fAc = 3 SCCM. The error bars represent the statistical uncertainty (1-standard deviation) from the Lorentzian fit to the dip saturation profile.
