Achieving broadband ultraviolet to mid-infrared transparency in germanate-based nonlinear optical crystals Cs<sub>3</sub>REGe<sub>3</sub>O<sub>9</sub> (RE = Y, Gd)
Jinmiao Jiao, Conggang Li, Yuheng She, Ning Ye, Zhanggui Hu, Yicheng Wu
Abstract
Two novel Cs 3 REGe 3 O 9 (RE = Y, Gd) crystals were extracted and exhibit a breakthrough of UV cutoff edge at 210 and 215 nm, respectively, the shortest value among boron-free germanate-based NLO materials.
Topics & Concepts
GermanateCutoffInfraredUltravioletMaterials scienceAnalytical Chemistry (journal)Cutoff frequencyBroadbandPhysicsOpticsChemistryOptoelectronicsQuantum mechanicsChromatographyDopingCrystal Structures and PropertiesSolid-state spectroscopy and crystallographyGlass properties and applications