International Journal of Antennas and Propagation

Research Article

A Miniaturized Frequency Selective Surface Based on Square Loop Aperture Element

Table 4

The resonant frequency deviation of proposed FSS at TM-polarized.
Incident angleResonant frequencyDeviation
= 0°1.647 GHz—
= 30°1.665 GHz1.09%
= 60°1.689 GHz2.55%