Lifetime Measurements of the 4S3/2 Level in Erbium Pentaphosphate Monocrystal |
| F. Kaczmarek Quantum Electronics Laboratory, A. Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland and H. Malak Center for Fluorescence Spectroscopy at the University of Maryland, 108 N. Greene St., Baltimore, MD 21201, USA |
| Received: January 10, 1996; revised version: April 22, 1996 |
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| Lifetime of the main fluorescence level, 4S3/2, of erbium pentaphosphate monocrystal was measured to be 380±20 ns. Direct excitation to higher energy levels, and also indirect excitation with the use of an infrared beam were applied. |
| DOI: 10.12693/APhysPolA.89.669 PACS numbers: 78.47.+p, 78.55.Hx, 42.70.Hj |