Influence of metal resistivity on transmittance of checkerboard patterns in infrared region

Checkerboard patterns (CPs) are a kind of metamaterials which are attracting much attention for their application to sensing devices. In this study, we have investigated the electromagnetic responses of the CPs in infrared (IR) region. We have fabricated the CPs with two different metals and measured the transmittance to clarify the influence of metal resistivity of the CPs on transmittance. As a result, we have successfully confirmed experimentally metal resistivity influence on transmittance characteristics of the CPs even in IR region not only terahertz (THz) region.