Honeycomb tapered ultra-wideband terahertz wave absorber

The utility model discloses a honeycomb tapered ultra wide band terahertz wave absorber. The terahertz wave absorbing material comprises a plurality of terahertz wave absorbing units which are arranged in a honeycomb shape, wherein each absorbing unit comprises a bottom metal layer, an internal metal hexagonal pyramid and an external coating; wherein the metal hexagonal pyramid is located on the metal bottom layer, the metal hexagonal pyramid is tightly coated with the external coating, and the external coating is of a regular hexagonal pyramid structure in the whole terahertz wave absorptionunit. The ultra-wideband antenna has the advantages of simple and compact structure, small size, ultra-wideband absorption, easiness in implementation and the like. 本实用新型公开了一种蜂窝锥型超宽带太赫兹波吸收器。它包括多个呈蜂窝状排列的太赫兹波吸收单元，每个吸收单元包括底层金属层、内部金属六棱锥和外部涂层；其中金属六棱锥位于金属底层上，外部涂层紧密涂覆在金属六棱锥上，外部涂层在整个太赫兹波吸收单元中呈现正六棱锥结构。本实用新型具有结构简单紧凑，尺寸小，超宽带吸收和易实现等优点。