.Effect of Yb3+ concentration on Er3+ luminescence properties of sol-gelderived silica-alumina xerogels[J].Optoelectronics Letters,2006,2(5): Effect of Yb3+ concentration on Er3+ luminescence properties of sol-gelderived silica-alumina xerogels Abstract:        Hits: 3592 Download times: 207 View Full Text    Download reader