Abstract
Neodymium doped phosphate glasses have been prepared by the semi-continuous melting technique.Their absorption and emission spectra have been recorded at room temperature.The Jodd-Ofelt theory has been applied to evaluate the stimulated emission cross sections of ^4F3/2→^4I11/2 transition for Nd^3+.The higher stimulated emission cross section,4.0×10^-20cm^2,is obtained.The fluorescence decays of the ^4F3/2→^4I11/2 transition of Nd^3+ are measured for the samples doped (0.7-10) wt% of Nd2O3 at room temperature.The site-dependent properties of fluorescence spectra and the fluorescence lifetime of the Nd^3+-doped phosphate glass (with 2.2wt% Nd2O3) are studied using laser-induced fluorescence line narrowing techniques,and the site-to-site variation of optical properties are observed at low temperature.
Published Version
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