Dysprosium optogalvanic spectroscopy in a hollow cathode lamp

This work presents data obtained from optogalvanic spectroscopy (OGS) of dysprosium (Dy) using a commercial hollow cathode lamp. Combining laser beams from two tunable dye lasers, it was possible to identify 13 electronic transitions from excited states of the atom not observed or registered in published papers and the NIST database; these lines were observed between 555-575 nm and 585-615 nm. The study of 13 two-step transitions found in this work complement the available data for the Dy which may support other research or any work using this atom.(c) 2023 Optica Publishing Group