Project supported by the National Natural Science Foundation of China(Grant Nos.11804178 and 11274188);the Natural Science Foundation of Shandong Province,China(Grant No.ZR2018BA027).
We design an actively tunable polarization-sensitive multiband absorber in the mid-infrared region,which consists of stacked graphene multilayers separated by dielectric layers on a metal mirror.Benefiting from the an...
the National Natural Science Foundation of China(Grant No.11274188)
A new achromatic phase retarder based on a metal-multilayer dielectric grating structure is designed using the rigorous coupled wave analysis method and the genetic algorithm.The optimized phase retarder can maintain ...
Project supported by the National Natural Science Foundation of China(Grant Nos.11404194 and 11274188);the Promotive Research Fund for Excellent Young and Middle-aged Scientisits of Shandong Province,China(Grant No.BS2015SF003);the China Postdoctoral Science Foundation(Grant Nos.2015M582053 and 2016T90609);the Qingdao Municipal Postdoctoral Application Research Project,China(Grant No.2015131);the State Key Laboratory of Nuclear Physics and Technology at Peking University,China;the State Key Laboratory of Crystal Materials and Key Laboratory of Particle Physics and Particle Irradiation(MOE)at Shandong University,China
We report the fabrication of a planar waveguide in the Nd:Bi_(12)SiO_(20) crystal by multi-energy C ions at room temperature. The waveguide is annealed at 200℃, 260℃, and 300℃ in succession each for 30 min in ...