Figure 6
From: Broadband Frequency-Selective Spoof Surface Plasmon Polaritons on Ultrathin Metallic Structure

The photograph of the fabricated frequency-selective SPP structure, which is printed on a flexible dielectric film.
From: Broadband Frequency-Selective Spoof Surface Plasmon Polaritons on Ultrathin Metallic Structure
The photograph of the fabricated frequency-selective SPP structure, which is printed on a flexible dielectric film.