Femtosecond-laser direct-writing volume phase gratings inside Ge–As–S chalcogenide glass
Wenqiang Ma, Peiqing Zhang, Weijie Zhou, Qianyu Qi, Zhihao Wu, Leilei Wang, Wei Zhang, Baoan Song, Shixun Dai
Topics & Concepts
Materials scienceDiffraction efficiencyFemtosecondLaserGratingOpticsChalcogenideDiffractionDiffraction gratingOptoelectronicsPhase (matter)Refractive indexChemistryPhysicsOrganic chemistryPhase-change materials and chalcogenidesLaser Material Processing TechniquesNonlinear Optical Materials Studies