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Conferences > ICOL > 1984 > WD > WD7

Efficient Sensitization of Mn2+ emission by Sn2+ in Fluoroapatites.

R.G. Pappalardo and T.E. Peters

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Abstract

New schemes1 for increasing the brightness output of fluorescent lamps rely on combining a yellow emission band, as produced by Mn2+, with a narrow, blue emission band, as provided by Eu2+. In this connection we have observed that coactivation of Ca fluoroapatites [Ca5(PO4)3F, or CaFAP in brief] with Sn2+ and Mn2+ can provide in the yellow spectral region a Mn2+ emission, with intensity exceeding by roughly 20% the highest intensity obtained from current Ca fluoroapatites coactivated with Sb and Mn.

© 1984 Optical Society of America

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