Fig. 1. Refractive index and extinction coefficient of the Au

Fig. 2. Structure of the MPA

Fig. 3. Absorption spectrum of the MPA

Fig. 4. Magnetic field distribution of the MPA at absorption wavelength. (a) x-z plane; (b) x-y plane

Fig. 5. Effect of u_c on the absorption efficiency of the MPA

Fig. 6. Effect of nanocolumn parameters on the absorption characteristics of the MPA. (a) r; (b) t

Fig. 7. Effect of P on absorption characteristics of the MPA