Folding plane Lunberg lens based on pcb technology and manufacturing method
A Lumber lens technology, applied in the field of communication, can solve the problems of high cost, large area, complex structure, etc., and achieve the effect of increasing the working bandwidth and improving the phase error
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Embodiment 1
[0025] Such as figure 1 As shown, the folded planar Luneburg lens based on PCB technology includes an input terminal, an output terminal and a lens part; the lens part is composed of a complete Luneburg lens folded in half; the folded Luneburg lens is divided into two parts, respectively It is the first part and the second part; the first part and the second part are both composed of several metal layers and dielectric layers; the dielectric layer is a dielectric substrate; air holes are opened on the dielectric substrate; each dielectric There are multiple groups of air holes on the substrate, and the inner diameters of each group of air holes are equal, and they are distributed on concentric semicircle arcs; all air holes diffuse from inside to outside in a concentric semicircle structure, and from inside to outside, the air The inner diameters of the through holes increase sequentially.
[0026] Specifically, by using PCB technology, by opening air holes of different sizes...
Embodiment 2
[0028] On the basis of the previous embodiment, the first part and the second part are transitionally connected through a 180° parallel plate waveguide.
Embodiment 3
[0030] On the basis of the previous embodiment, the transition connection of the waveguide is a transition of multiple coupling slits.
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