Abstract
The advent of tunable dye lasers has totally revolutionized the fields of atomic and molecular physics and chemistry. The very narrow bandwidth and extensive tunability of dye lasers have made a quantum change in the precision and physical content of spectroscopic and photophysical studies. The other major property of lasers, high photon flux, has not only made traditional studies easier but has spawned the entirely new field of multiphoton spectroscopy. Although two-photon processes were investigated theoretically by Maria Goepert-Mayer in her thesis work in 1930 [1], multiphoton absorption in the visible spectral region was not observed until 1961, after lasers became available. Currently, so-called nonlinear spectroscopy is a vast, rapidly growing area - - in fact, it is one of the most exciting branches of chemical physics today.KeywordsIonization SignalRydberg StateMULTIPHOTON IonizationBlue PhotonREMPI SpectrumThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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