Abstract
We report what is to our knowledge the first two-photon-excited fluorescence
spectroscopy of atomic fluorine. Adoubled dye laser at 286 nm is Raman shifted
in H2 to 170 nm (sixth anti-Stokes order) to excite ground-state fluorine atoms to the level. The fluorine atoms are detected by one
of two methods: observing the fluorescencedecay to the
2PJ level or
observing F+ production through the absorption of an
additional photon by the excitedatoms. We have measured relative two-photon
absorption cross sections to and the radiative lifetimes of the states.
© 1988 Optical Society of America
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