Abstract
We have employed stimulated Raman pumping to excite a single rotational state in (v" = 1) of electronic ground-state hydrogen and deuterium. The population in rotational levels of the vibrationally excited state was probed by laser-induced fluorescence (LIF) with tunable VUV radiation. The two frequencies for the Raman pumping process were conveniently derived from the fundamental of a Nd:YAG laser (λF = 1064.2 nm), which was focused in a cell containing hydrogen at a pressure of ~40 bar.
© 1986 Optical Society of America
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