Terahertz Harmonic Operation of Microwave Fresnel Zone Plate Lens and Antenna: Frequency Filtering and Space Resolution Properties

<table>Plane-wave illuminated binary negative Fresnel zone plate lens.</table>

International Journal of Antennas and Propagation

Figure 1: Terahertz Harmonic Operation of Microwave Fresnel Zone Plate Lens and Antenna: Frequency Filtering and Space Resolution Properties 