We designed a slit dipole antenna backed by an extended hemispherical silicon lens and investigated the minimum lens size in\nwhich the slit dipole antenna works as a leaky-wave antenna. The slit dipole antenna consists of a planar feeding structure, which\nis a center-fed and open-ended slot line. A slit dipole antenna backed by an extended hemispherical silicon lens is investigated\nover a frequency range from 0.2 to 0.4THz with the center frequency at 0.3THz. The numerical results show that the antenna gain\nresponses exhibited an increased level of sensitivity to the lens size and increased linearly with increasing lens radius. The lens with\nthe radius of 1.2
Loading....