Abstract
In this paper, we report the preparation and spectroscopic properties of Yb2+-doped silica-based glass prepared by the solid state reaction using the oxyhydrogen flame fusing process. The glass exhibits broadband emission in the visible region due to a 5d–4f transition of the rare earth ions. The emission peak wavelength and bandwidth are especially 505nm and 147nm for Yb2+-doped silica-based glass at the room temperature. The color coordinate calculation shows that the Yb2+-doped silica-based glass has a better color coordinate (0.28,0.37) in the white light region.
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