We propose a multi-layer structure for concealing an electromagnetic sensing system (a sensor is wrapped witha transparent protective layer),using single-negative (SNG) materials whose material parameters are complete...We propose a multi-layer structure for concealing an electromagnetic sensing system (a sensor is wrapped witha transparent protective layer),using single-negative (SNG) materials whose material parameters are completely independent of those of the host matrix as well as the concealed system.The numerical results show that only three different kinds of SNG materials are sufficient to yield the cloaking effect even in the presence of weak loss.This may significantly facilitate the experimental realization of a well-performing sensor-cloaking device.展开更多
基金Supported by the National Basic Research Program of China under Grant No 2011CB707900the National Natural Science Foundation of China under Grant Nos 10804050,10874086,10834009 and 10904068.
文摘We propose a multi-layer structure for concealing an electromagnetic sensing system (a sensor is wrapped witha transparent protective layer),using single-negative (SNG) materials whose material parameters are completely independent of those of the host matrix as well as the concealed system.The numerical results show that only three different kinds of SNG materials are sufficient to yield the cloaking effect even in the presence of weak loss.This may significantly facilitate the experimental realization of a well-performing sensor-cloaking device.
