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