Fig. 4From: The planar Multipole Resonance Probe: a functional analytic approachSpectra of the pMRP for constant \(\tilde {M}_{\text {max}}=10\) and Nmax=200 and varying radius R∞=5 RS (bold orange line), R∞=10 RS (dashed red line), R∞=20 RS (dot-dashed blue line), and R∞=40 RS (dotted black line)Back to article page