VUV laser-induced fluorescence of molecular hydrogen

State-selective detection of molecular hydrogen by VUV laser-induced fluorescence has been achieved at excitation wavelengths greater than the lithium fluoride cut-off, using xenon as the non-linear medium. With this approach sensitivities of ≈10 9 per cm 3 per quantum state have been achieved under...

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Bibliographic Details
Published in:Chemical physics letters 1984-01, Vol.105 (1), p.34-37
Main Authors: Northrup, F.J., Polanyi, J.C., Wallace, S.C., Williamson, J.M.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Fluorescence and phosphorescence
radiationless transitions, quenching (intersystem crossing, internal conversion)
Molecular properties and interactions with photons
Physics
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Summary:State-selective detection of molecular hydrogen by VUV laser-induced fluorescence has been achieved at excitation wavelengths greater than the lithium fluoride cut-off, using xenon as the non-linear medium. With this approach sensitivities of ≈10 9 per cm 3 per quantum state have been achieved under cell conditions. This method provides a simple approach to monitoring the vibrational state distribution of hydrogen and its isotopes.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(84)80409-1