Fig. 1. Schematics of unit structure of UV broadband absorber. (a) Three-dimensional view; (b) top view

Fig. 2. Dielectric constant of Rh versus wavelength

Fig. 3. Absorption spectra of TM and TE waves in case of 0° incidence

Fig. 4. Contour plots of absorptivity. (a) TM wave incidence; (b) TE wave incidence; (c) incident angle of 0°

Fig. 5. Electromagnetic field distributions at 270 nm peak when TM wave and TE wave are vertically incident

Fig. 6. Electromagnetic field distributions at 330 nm peak when TM wave and TE wave are vertically incident

Fig. 7. Relative impedance versus wavelength

Fig. 8. Absorptivity versus wavelength under different structural parameters and magnetic field distributions at specific wavelengths