
Effect of oxygen substitution by halide ions on structure, thermal stability and upconversion fluorescence in Er3+/Yb3+-codoped germanium-bismuth glasses
Keywords: A. عینک; 78.20.âe; 42.70.Ce; 42.70.Hj; 32.70.Cs; A. Optical materials; A. Glasses; D. Optical properties; E. Luminescence;