太赫兹成像技术的应用研究

太赫兹辐射(THz)是指频率范围在0.1～10 THz的电磁波,波段位于毫米波与红外波段之间,其应用主要集中在太赫兹时域光谱技术和太赫兹成像技术两方面,其中太赫兹成像技术在实际应用中更加广泛.介绍了太赫兹辐射及其性质,简述了太赫兹成像技术及其发展过程.分析了太赫兹成像技术在安全检查、癌症检测和无损检测等领域的发展过程,结果表明使用太赫兹成像技术可以对违禁药物和危险隐藏物等进行安全检查,对人体癌变组织进行成像检测,以及对航空航天材料中的缺陷进行无损检测.随着太赫兹成像技术的不断发展,其在安检、医疗和无损检测等领域有着重要的应用前景和研究价值.

Application Research of Terahertz Imaging Technology

The terahertz (THz) radiation refers to electromagnetic waves with a frequency range of 0.1~10 THz,which is located between millimeter wave and infrared wave.Its application is mainly concentrated on two aspects of terahertz time-domain spectroscopy technology and terahertz imaging technology,of which terahertz imaging technology is more extensive in practical applications.Terahertz radiation and its properties are introduced,terahertz imaging technology and its development process are briefly described.The development process of terahertz imaging technology in security inspection,cancer detection,non-destructive testing and other fields are analyzed.The analysis results show that the use of terahertz imaging technology can be used for safety inspections of illicit drugs and dangerous hidden objects,imaging detection of human cancerous tissue,and non-destructive testing of defects in aerospace materials.With the continuous development of terahertz imaging technology,it has important application prospects and value in the fields of security inspection,medical treatment and non-destructive testing.