A dielectric multi-layered structure is studied in this letter. It is found that at some frequency ranges, the equal-frequency contours (EFCs) are almost flat for one polarization but still curve for the other. Based on this property, we propose a novel polarization beam splitter.
© 2008 Chinese Optics Letters
Yuan Zhang, Yurong Jiang, Xia Li, and Wei Xue, "Polarization beam splitter based on dielectric periodic structure with different EFCs for two polarizations," Chin. Opt. Lett. 6, 794-796 (2008)