▎ 摘　　要

NOVELTY - The utility model claims a graphene room temperature terahertz wave detector, the detector part includes a sapphire substrate and the evaporation of the logarithm period antenna structure and electrode down-lead, and terahertz wave coupled logarithmic period antenna two edge respectively connected and lead electrode is corresponding to, and transfer with carrier concentration can regulating and graphite electric conduction channel and high migration rate in the logarithm period antenna interval, the graphene and two edge logarithm period antenna connected. The advantages of this patent wherein the device and terahertz response to high, can realize broadband, high speed, high sensitivity, high signal noise of terahertz wave detecting, integrated degree of device miniaturization, and realize terahertz detector for large scale application foundation base.