Figure 1
From: Enhancement of the microwave photon-magnon coupling strength for a planar fabricated resonator

Top views of SRR: (a) SS-SRR; (b) M-SRR; (c) the transmission coefficient spectrum |S21| as a function of MW frequency f for SS-SRR (without the YIG); (d) the transmission coefficient spectrum |S21| as a function of MW frequency f for M-SRR (without the YIG).