Experimental determination of radiative-transition rates and quantum efficiencies in Er3+:YAlO3

Pollnau, M. and Heumann, E. and Danger, T. and Huber, G. (1995) Experimental determination of radiative-transition rates and quantum efficiencies in Er3+:YAlO3. Optics Communications, 118 (3-4). pp. 250-254. ISSN 0030-4018

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Abstract:	A method for the measurement of radiative-transition rates in rare-earth-doped laser crystals with several metastable levels is presented. The excited-state absorption in Er3+:YAlO3 is measured in a pump- and probe-beam experiment. With this information the populations of the metastable levels 4I13/2, 4I11/2, and 4S3/2 are derived. In combination with data of the relative fluorescence intensities and fluorescence-decay curves the radiative rates and quantum efficiencies of transitions from these levels are experimentally determined. The results are compared to data from a Judd-Ofelt analysis.
Item Type:	Article
Copyright:	© 1995 Elsevier Science
Link to this item:	http://purl.utwente.nl/publications/70113
Official URL:	http://dx.doi.org/10.1016/0030-4018(95)00225-W
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