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Proceedings Paper

4f95d-4f10 transitions of Ho3+ions in LiYF4 single crystals
Author(s): Evangelia Sarantopoulou; Z. Kollia; Alkiviadis Constantinos Cefalas
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Paper Abstract

The laser induced fluorescence spectrum (LIF) of the LiYF4:Ho3+ (YLF:Ho) single crystals, pumped by the molecular fluorine pulsed discharge molecular laser at 157.6 nm was obtained in the vacuum ultraviolet (VUV) and ultraviolet (UV) regions of the spectrum. The observed transitions originate from the levels and the edge of the 4f95d electronic configuration and they are assigned to the 4f95d yields 4f10 interconfigurational transitions. The LIF spectra can be explained provided that phonon trapping is taking place within the Stark components of the 4f95d electronic configuration. The absorption spectrum of the crystal samples in the VUV was obtained as well. The electric crystal field splits all the levels of the 4f95d mixed configuration. We observed five main transitions between the ground level 5I8 of the 4f9 electronic configuration and the Stark components of the levels of the 4f95d electronic configuration in the spectral range between 118 - 158 nm, and four weaker transitions in the spectral range from 158 - 186 nm.

Paper Details

Date Published: 7 May 1999
PDF: 5 pages
Proc. SPIE 3571, Tenth International School on Quantum Electronics: Laser Physics and Applications, (7 May 1999); doi: 10.1117/12.347614
Show Author Affiliations
Evangelia Sarantopoulou, National Hellenic Research Foundation (Greece)
Z. Kollia, National Hellenic Research Foundation (Greece)
Alkiviadis Constantinos Cefalas, National Hellenic Research Foundation (Greece)


Published in SPIE Proceedings Vol. 3571:
Tenth International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Dimitar V. Stoyanov, Editor(s)

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