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Degenerate four-wave-mixing spectroscopy in NaH

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Abstract

We performed DFWM spectroscopy on X −1Σ+−A 1Σ+ transitions in NaH produced in an indirect photochemical reaction between Na(3p) and H2 and detected v″=1, 2 and 3 ground state vibrational levels of NaH molecules, whereas with resonance enhanced CARS, we observed v″=0 levels only. This different sensitivity can be explained by considering the Franck-Condon-factors and the relevant damping coefficients for the corresponding transitions in the NaH molecule. Time resolved DFWM spectroscopy showed that NaH(v″=1) molecules effectively live much longer than Na(3p) atoms which merely follow the laser excitation pulse.

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  1. M. Motzkus

    Present address: Institute of Physics of the University, 41000, Zagreb, Croatia

Authors and Affiliations

  1. Max-Planck-Institut für Quantenoptik, D-85748, Garching, Germany

    M. Motzkus, G. Pichler, M. Dillmann, K. L. Kompa & P. Hering

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  1. M. Motzkus
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  2. G. Pichler
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  3. M. Dillmann
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  4. K. L. Kompa
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  5. P. Hering
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Motzkus, M., Pichler, G., Dillmann, M. et al. Degenerate four-wave-mixing spectroscopy in NaH. Appl. Phys. B 57, 261–265 (1993). https://doi.org/10.1007/BF00325204

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  • DOI: https://doi.org/10.1007/BF00325204

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