Aluminophosphate glasses containing rare-earth ions

Aluminophosphate glasses containing rare-earth elements (Eu, Sm, Tb, Dy, Er, Nd, Pr, Ho, Tm, Gd, Yb, Ce)

Melt-quenching preparation method includding wet route to process the raw materials

Applied in optics and optoelectronics (filters, optical sensors, Faraday rotators, etc)

•         Oxide system: Li₂O-BaO-Al₂O₃-La₂O₃-RE₂O₃ (RE = rare earth elements)

•         Density: 2.7-2.8 g/cm³

•         Thermal extension coefficient,α_V= (91-98) x10^-7/K

•         Low annealing temperature 427-443 ^oC

•         High annealing temperature 462-486 ^oC

•         Vitreous  transition temperature 464-474 ^oC

•         Softening temperature 497-502 ^oC

•         Refractive index n_D = 1.5453-1.5468 (λ=589 nm)

•         Birefringence <10 nm/cm

•         Melting temperature: 1200-1250^oC

•         Fluorescence in the visible and infrared domains by UV-Vis excitation