supported by the National Natural Science Foundation of China(Grant Nos.10804077,10904098 and 11011120242);the National Basic Research Program of China(Grant No.2007CB310408);the Ministry of Education Key Project(Grant No.210002);Beijing Municipal Commission of Education(Grant Nos.KM200910028006 and KM201110028004);Beijing Nova Program and Funding Project for Academic Human Resources Development in Institutions of Higher Learning Under the Jurisdiction of Beijing Municipality
Structures consisting of a planar array of subwavelength metallic bars fabricated on a dielectric substrate are theoretically investigated in order to rotate the polarization of a normally incident terahertz wave in t...