ZnF <sub>2</sub> ‐modified AlF <sub>3</sub> ‐based fluoride glasses with enhanced mid‐infrared 3.5 μ$\umu$m emission
Jie Zhang, Ruicong Wang, Mo Liu, Shunbin Wang, Zhi Zhang, Gerald Farrell, Shijie Jia, Pengfei Wang
Abstract
Abstract A novel ZnF 2 –AlF 3 based fluoride glass was prepared. The introduction of ZnF 2 can lower the phonon energy of AlF 3 –BaF 2 –YF 3 –SrF 2 glass while maintaining good thermal stabilities. The mid‐infrared emission properties of Er 3+ ‐doped ZnF 2 –AlF 3 –YF 3 –SrF 2 –BaF 2 (ZAYSB) glasses were investigated. Enhanced 3.5 μm and 2.7 μm emissions were observed with an incremental increase in the content of ZnF 2 . In addition, the Er 3+ ‐doped ZAYSB glass was shown to have a large emission cross‐section of 3.5 μm. This study indicates that this ZAYSB glass is a promising glass material for 3.5 μm fiber‐laser applications.
Topics & Concepts
FluorideDopingAnalytical Chemistry (journal)InfraredMaterials scienceGlass fiberLaserMineralogyChemistryOpticsOptoelectronicsInorganic chemistryComposite materialPhysicsChromatographyGlass properties and applicationsSolid State Laser TechnologiesLuminescence Properties of Advanced Materials