Table 1: The FOM for the two hybridized magnetic plasmon modes of the stereo-SRRs metamaterials, and the parameters FWHM. Obviously, when the result was used as sensing signal, the sensing performance of the two modes was best.

EigenmodeFWHM (nm)FOM

Mode 1 50.79.1
Mode 2 46.312.5
Mode 1 57.88.0
Mode 2 54.610.6
Mode 1 ( )33.014.0
Mode 2 ( )26.022.3