Abstract
We present the line-shape parameters for the first 11 lines of the oxygen B-band R-branch self-broadened transitions measured at low pressures by the Pound–Drever–Hall-locked frequency-stabilized cavity ring-down spectrometer (PDH-locked FS-CRDS) linked to the optical frequency comb. The collisional self-broadening, shifting and narrowing parameters were determined together with the quadratic speed-dependence as well as phase- and velocity-changing correlations parameters. The absolute frequencies of the transitions with combined standard uncertainties below 150kHz are reported. Dependence of line parameters on choice of the line-shape model is discussed.
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