220GHz脉冲成像系统设计与应用研究  

Research on Pulsed Imaging and Applications Technology at 220GHz

作　　者：胡伟东[1] 张萌[1] 穆晨晨[1] 孙厚军[1] 吕昕[1] 

机构地区：[1]北京理工大学毫米波与太赫兹技术北京市重点实验室,北京100081

出　　处：《现代科学仪器》2012年第6期20-22,共3页Modern Scientific Instruments

摘　　要：太赫兹(THz)成像是太赫兹技术的一个重要应用,在安全检查、环境监测、生物和医学的无损检测等方面都发挥着重要的作用。本文主要对太赫兹成像技术进行研究,使用微波源,通过混频和倍频方式得到太赫兹频率源,采用频率步进脉冲体制,设计和实现了一套220GHz太赫兹主动成像系统,并对太赫兹技术的应用技术进行了研究。Terahertz（THz） imaging is an important application in THz technology,it plays an important role in safety inspection,environmental monitoring and biological and medical testing.This paper focused on researching terahertz imaging technology.The stepped THz pulse was obtained by mixing and multipling the microwave source.A 220GHz terahertz active imaging system was designed,and the experiments for imaging were performed in darkroom and outfield,also,the applications technology of terahertz was studied in this paper.

关 键 词：太赫兹 成像 频率步进 应用 

分 类 号：TH74[机械工程—光学工程]