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