Infrared spectroscopy Judd-Ofelt theory Infrared fibers Infrared Infrarouge Chalcogenide glass Nanotechnology Pulsed laser deposition Rare-earth Photocatalysis Germanium Chalcogénures Antimony compounds Erbium Optical fiber Chalcogenides Raman spectroscopy Sputtering Upconversion Glass transition Dysprosium Bioactive glass Selenium compounds Osteoporosis Clusters Tellurite glasses Germanium compounds Oxynitride Chitosan Verre de chalcogénure Optical properties Glasses Neutron diffraction Infrared devices Microstructured optical fibers Mid-IR Sintering D Optical properties Thin film Absorption Chalcogenide Chalcogenide glasses Moyen infrarouge Rare earth Synthesis Laser ablation Waveguides Glass Laser Raman Verres de chalcogénures Fiber lasers Mechanical properties Thin films Sensors EXAFS Structure Optical spectroscopy Ionic conductivity Nanocrystals Chalcogenide fibers Nucleation Bioglass Hydroxyapatite Glass ceramics Fibers Bioactivity Glass-ceramics Gallium compounds Hardness Optical fibers Melting Mechanical milling Sb2Se3 Amorphous materials A Glasses NMR Chalcohalide glass Thermoelectric Crystallization Supercontinuum generation Chalcohalide glasses X-ray diffraction Luminescence Thermal stability Energy transfer Mid-infrared Infrared transmission Photonic crystal fibers Photoluminescence A Optical materials Biomaterials Optical materials Infrared glasses Electrical conductivity Ceramics Magnetron sputtering Nonlinear optics Nanoparticles Refractive index