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Effect of The Glass Composition on The Spontaneous Emission Probabilities of Tm3+ in TeO2-ZnO Glass

Published online by Cambridge University Press:  01 February 2011

Gönül Özen ,
İdris Kabalcı ,
John M Collins ,
Xuesheng Chen ,
Ottavio Forte  and
Baldassare Di Bartolo
Gönül Özen
Affiliation:
Department of Physics, Boston College, Chestnut Hill, MA, USA. Physics Department, Istanbul Technical University, Istanbul, Turkey.
İdris Kabalcı
Affiliation:
Physics Department, Istanbul Technical University, Istanbul, Turkey.
John M Collins
Affiliation:
Department of Physics and Astronomy, Wheaton College, Norton, MA, USA.
Xuesheng Chen
Affiliation:
Department of Physics and Astronomy, Wheaton College, Norton, MA, USA.
Ottavio Forte
Affiliation:
Department of Physics, Boston College, Chestnut Hill, MA, USA.
Baldassare Di Bartolo
Affiliation:
Department of Physics, Boston College, Chestnut Hill, MA, USA.
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Abstract

This paper reports our findings for the effect of the glass composition on the local environment of the thulium ions in the glass structure and its spontaneous and stimulated emission probabilities in the infrared region at room temperature. Absorption measurements in the UV/VIS/NIR region were used to determine spontaneous emission probabilities for the 4f-4f transitions of the thulium ion. Six bands corresponding to the absorptions of the 1G2, 3F2, 3F3, 3F4, 3H5, 3H4 from the ground level were observed. Integrated absorption cross-section of each band except that of 3H5 level was found to vary with the glass composition. Luminescence spectra of the samples were measured upon 785nm using a diode laser. Two emission bands centered about 1500nm and 1800nm were observed.

The effect of the glass composition on the Judd-Ofelt Parameters and therefore on the spontaneous emission probabilities for the metastable levels of thulium ions will be discussed in detail.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 848: Symposium FF – Solid-State Chemistry of Inorganic Materials V , 2004 , FF6.16
Copyright
Copyright © Materials Research Society 2005

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References

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