Incorporating array of metallic wires into the host media, such as ferrimagnet YIG under an external magnetic bias field, is a novel method to synthesize negative refractive index (NRI) material.

• 摘要以亚铁磁煤质-YIG为基体，在其中嵌入金属导体线阵列是人工合成负折射率微波媒质的一种新方法。