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18 January 1985Laser Photoionization Set-Up For Investigation Of Highly-Excited Atomic States
A set-up including three dye lasers pumped by a N2-laser for selective multistep ionization of atomic beam is described. The experiment is designed not only for spectroscopic investigation but for analytical use too. The application of the described set-up is briefly discussed. Some results on experimentally investigated highly-excited Rydberg states of Thulium are reported. Model potential calculations allow correct assignment of the spectra to be carried out. Non-hydrogen behaviour of the Rydberg states of rare-earth atoms is discussed.
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E. Vidolova-Angelova, D. Angelov, "Laser Photoionization Set-Up For Investigation Of Highly-Excited Atomic States," Proc. SPIE 0473, Symposium Optika '84, (18 January 1985); https://doi.org/10.1117/12.942409