Design Multi-beam Dielectric Lens Antenna for Passive Millimeter Wave Imaging

In this paper,aiming at the requirement of passive millimeter wave imaging,the traditional tapered slot antenna is improved.A new structure tapered slot antenna with corrugated edges and coupled dipole is applied as feed of dielectric lens antenna,feeding by microstrip with angle-slotline transition.Three-dimensional electromagnetic simulation software is used for simulation and design of the specific size parameters and the tapered slot antenna is measured;Key parameters and radiation patterns of multi-beam dielectric lens antenna with array feed is obtained by simulation.