Abstract
The formalism of second quantization provides a powerful method to describe the various intermediate coupling mechanisms of two-photon transitions in lanthanide ions. A complete analysis has been carried out by means of a fourth-order mechanism, which combines the two-photon interaction with spin-orbit coupling and crystal field elements. The resulting selection rules are discussed, in relationship with the recently obtained TP-spectra of Tb3+ in the octahedral elpasolite lattices.
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© 1992 Springer Science+Business Media New York
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Vandenberghe, G. (1992). Two-Photon Spectroscopy in the F-Shell. In: Di Bartolo, B., Beckwith, C. (eds) Optical Properties of Excited States in Solids. NATO ASI Series, vol 301. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3044-2_46
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DOI: https://doi.org/10.1007/978-1-4615-3044-2_46
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-6327-9
Online ISBN: 978-1-4615-3044-2
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