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An investigation on the optical properties of 1% Tb2O3+50% Na2O+49% P2O5 glass has been carried out by means of absorption and luminescence spectroscopy at room temperature. Luminescence decay profile has also been measured using an UV xenon flash tube. Five absorption bands are recorded in the ultraviolet to visible region between 200nm and 600nm with a sharp peak around 376nm due to 7F6→(5D3, 5G...
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