We have recorded hyperfine resolved spectra of the B–X and C–X electronic transitions of TaO and the 712-nm band of ReO. A Ti:sapphire ring laser was used to analyze TaO and ReO molecules produced in a hollow cathode discharge. We achieved hyperfine resolution using the sub-Doppler technique of inter-modulated florescence. A least-squares fit of the transition frequencies was used to determine improved values for the rotational parameters and values for the magnetic dipole and electric quadrupole parameters of these states. These have allowed for an elucidation of the ground state electronic configurations in TaO and ReO.
Manke, Kara J., "Rotational and Hyperfine Structure in the Spectra of TaO and ReO" (2007). Honors Projects. Paper 2.
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