In this work,we investigate wave propagation through a zero index meta-material(ZIM)waveguide embedded with triangular dielectric defects.We provide a theoretical guidance on how to achieve total reflection and total t...In this work,we investigate wave propagation through a zero index meta-material(ZIM)waveguide embedded with triangular dielectric defects.We provide a theoretical guidance on how to achieve total reflection and total transmission(i.e.,cloaking)by adjusting the defect sizes and/or permittivities of the defects.Our work provides a systematical way in manipulating wave propagation through ZIM in addi-tion to the widely studied dielectric defects with cylindrical and rectangular geome-tries.展开更多
基金Prof.Yunqing Huang is partially supported by NSFC Key Project 91430213,IRT1179 of PCSIRT and MOST 2010DFR00700Prof.Jichun Li is Partially supported by NSFC project 11271310 and a grant from the Simons Foundation(#281296 to Jichun Li).
文摘In this work,we investigate wave propagation through a zero index meta-material(ZIM)waveguide embedded with triangular dielectric defects.We provide a theoretical guidance on how to achieve total reflection and total transmission(i.e.,cloaking)by adjusting the defect sizes and/or permittivities of the defects.Our work provides a systematical way in manipulating wave propagation through ZIM in addi-tion to the widely studied dielectric defects with cylindrical and rectangular geome-tries.
