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Sink‐Terminated Concentration Quenching of Trivalent Gadolinium and Ytterbium Fluorescence

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2 Author(s)
Pearson, A.David ; Bell Telephone Laboratories, Incorporated, Murray Hill, New Jersey ; Northover, W.R.

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The lifetimes of Gd3+ 6P7/2 and Yb3+ 2F5/2 fluorescence in a glass host have been studied at room temperature as a function of concentration, and in the case of Gd3+ as a function of added Eu3+ concentration. The results show that the ions ``concentration quench'' by a mechanism involving the migration of excitational energy from ion to ion until a sink in the structure is reached. This result is significant to the preparation of laser materials.

Published in:

Journal of Applied Physics  (Volume:38 ,  Issue: 6 )