1.3μm emission and concentration quenching in Nd3+-doped glass

LI Xue-jie; LI Hu-xiong

doi:10.3969/j.issn.1001-3806.2010.01.014

In order to study the effect of Nd3+ concentration on the fluorescence property at 1.3μm, Nd2O3-doped 0.70TeO2-(30-x)WO3-xNd2O3(mole fraction x is 0.001,0.003,0.005,0.007,0.010) tellurite glass was prepared by means of the conventional melt-quenching method. The fluorescence spectra were obtained. The dependence of the effective bandwidth and the stimulated emission cross-sections of 4F(3/2)→4I(13/2) transition on Nd3+ concentration was studied. Based on the electric dipole-dipole interaction theory,the interaction parameters,C(d,d),for the energy migration rate 4F(3/2), 4I(9/2)→4I(9/2),4F(3/2) and C(d,a),for cross relaxation rate 4F(3/2),4I(9/2)→4I(15/2),4I(15/2),and/or 4F(3/2),4I(9/2)→4I(13/2),4I(15/2) in tellurite glass are about 10.6×10-40 cm6/s and 2.80×10-40 cm6/s,respectively. The result shows that the fluorescence intensity drastically increases and has a maximum around 0.005(mole fraction) Nd2O3 and decreases with increase of the Nd2O3 concentration.

1.3μm emission and concentration quenching in Nd3+-doped glass

1. Department of Physics and Electron Information Engineering, Wenzhou University, Wenzhou 325035, China;

2. College of Information Science and Engineering, Ningbo University, Ningbo 315211, China

Received Date: 2008-12-08

Accepted Date: 2009-03-03

Available Online: 2010-01-25

Abstract: In order to study the effect of Nd3+ concentration on the fluorescence property at 1.3μm, Nd2O3-doped 0.70TeO2-(30-x)WO3-xNd2O3(mole fraction x is 0.001,0.003,0.005,0.007,0.010) tellurite glass was prepared by means of the conventional melt-quenching method. The fluorescence spectra were obtained. The dependence of the effective bandwidth and the stimulated emission cross-sections of 4F(3/2)→4I(13/2) transition on Nd3+ concentration was studied. Based on the electric dipole-dipole interaction theory,the interaction parameters,C(d,d),for the energy migration rate 4F(3/2), 4I(9/2)→4I(9/2),4F(3/2) and C(d,a),for cross relaxation rate 4F(3/2),4I(9/2)→4I(15/2),4I(15/2),and/or 4F(3/2),4I(9/2)→4I(13/2),4I(15/2) in tellurite glass are about 10.6×10-40 cm6/s and 2.80×10-40 cm6/s,respectively. The result shows that the fluorescence intensity drastically increases and has a maximum around 0.005(mole fraction) Nd2O3 and decreases with increase of the Nd2O3 concentration.

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Reference (17)

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1.3μm emission and concentration quenching in Nd3+-doped glass

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