Block diagram of sub-Doppler saturation frequency-modulation spectrometer. oscillator. -optic modulator.
Section of the branch of the transition of the radical in the region of with the rotational assignments. The symbols S and T indicate the “singlet” and “triplet” components of the perturbed rotational level.
(a) The absorption and (b) dispersion parts of the “singlet” component of the level, showing the 9.6 MHz hyperfine splitting associated with this level. The labeled angular momentum quantum number . The horizontal axis is in megahertz from the start of the scan.
As in Fig. 3, (a) the absorption and (b) dispersion parts of the “triplet” component of the level, showing hyperfine splittings of 21.3 and 18.6 MHz.
Hyperfine-resolved absorption and dispersion spectra of the (a) “singlet” and (b) “triplet” components of the perturbed rotational level. The nearly equal hyperfine splitting in the “singlet” and “triplet” components indicates almost complete mixing.
Deperturbation of levels with spin-orbit mixing.
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