Absorption, Fluorescence, and Energy Levels of the Dysprosium Ion

Abstract

The absorption and fluorescence spectra of DyCl₃·6H₂O have been observed at 4.2°K and 77°K. This makes an analysis of the low-lying levels possible including their Stark splitting. The strong lines have been interpreted as transitions between the ⁶H, ⁶P, and ⁶F multiplets. The Zeeman effect gives a splitting of s₁=6.73 if the acute bisectrix is parallel to the field.

© 1956 Optical Society of America

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