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Proceedings Paper

Upconversion luminescence of ZBLAN:Tm3+,Yb3+ glass pumped by a ~970-nm LD and its concentration effect
Author(s): Yan Feng; Xiaobo Chen; Feng Song; Kun Li; Guangyin Zhang
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Paper Abstract

Wide wavelength range of upconversion fluorescence at 360 nm, 450 nm, 475 nm, 647 nm, and 800 nm were observed in Tm3+ and Yb3+ codoped ZBLAN glass when pumped by a laser diode at approximately 970 nm. Those emissions are from three metastable states 1D2, 1G4 and 3F4, respectively. Three samples with varying Tm3+ and Yb3+ ion doping were investigated. It was shown that the luminescence intensity, as well as the dependence of intensity on laser power density, vary strongly with rare earth ion concentrations. And the mechanism for the population of 1D2 level is clarified further.

Paper Details

Date Published: 12 August 1998
PDF: 5 pages
Proc. SPIE 3551, Integrated Optoelectronics II, (12 August 1998); doi: 10.1117/12.317974
Show Author Affiliations
Yan Feng, Nankai Univ. (China)
Xiaobo Chen, Nankai Univ. and Beijing Normal Univ. (China)
Feng Song, Nankai Univ. (China)
Kun Li, Nankai Univ. (Singapore)
Guangyin Zhang, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 3551:
Integrated Optoelectronics II
BingKun Zhou; Ray T. Chen, Editor(s)

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