公开(公告)号：US06175337B1

公开(公告)日：2001-01-16

申请号：US09398954

申请日：1999-09-17

申请人： Louis J. Jasper, Jr. ,  Joseph R. Miletta ,  George Merkel

发明人： Louis J. Jasper, Jr. ,  Joseph R. Miletta ,  George Merkel

IPC分类号： H01Q1310

CPC分类号： H01Q15/006 ,  H01Q15/008 ,  H01Q21/0043 ,  H01Q21/005

摘要： A high-gain, dielectric loaded, slotted waveguide antenna having a photonic bandgap, a high-impedance electromagnetic structure, in contact with the waveguide surface containing longitudinal slots, and a tailored dielectric material structure in contact with the outer surface of the photonic bandgap structure. The tailored dielectric structure at the inner most surface has the same effective dielectric constant of the waveguide material and the photonic bandgap structure. The effective dielectric constant is then incrementally or continuously reduced to have a dielectric constant close to that of the free-space value at the outer surface further distance from the waveguide array. The tailoring of the effective dielectric constant is achieved by layering a given number of slabs of different dielectric constants with sequentially reduced values, or by varying the chemical composition of the material, or by varying the density of the material imbedded with high dielectric constant particles.

摘要翻译： 具有与包含纵向槽的波导表面接触的光子带隙，高阻抗电磁结构的高增益，介质负载的开槽波导天线以及与光子带隙结构的外表面接触的定制介电材料结构 。 在最内表面处的定制介电结构具有与波导材料和光子带隙结构相同的有效介电常数。 然后有效介电常数递增地或连续地减小，使其介电常数接近距离波导阵列的外表面的自由空间值的介电常数。 有效介电常数的裁剪是通过使具有不同介电常数的给定数量的板坯按顺序减少的值，或通过改变材料的化学组成，或通过改变嵌入有高介电常数颗粒的材料的密度来分层来实现的。