Abstract
We investigate the determination of vibronic transition moments between two electronic states of a molecule by the Autler–townes effect (also known as ac, optical or dynamical Stark splitting). For some representative bands of H2(D 1Πu−E,F 1Σ+@ig0, we calculate their Autler–Townes spectra and examine their dependences on laser detuning, intensity, bandwidth, and the Doppler effect. As input to our calculation, the D−E,F electronic transition moment and the (v’=0–14, v=1,4 and 6) vibronic transition moments have been computed. Our investigation shows that with moderte laser requirement, the Autler–Townes splitting of a large number of D−E,F vibronic transitions in H2 should be observable so that their transition moments may be deduced.
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