太赫兹成像NDT  

Terahertz Imaging NDT

作　　者：李衍 LI Yan(NDT Subcommittee of Wuxi Pressure Equipment Society,Wuxi 214026,China)

机构地区：[1]无锡市承压设备学会NDT专委会,江苏无锡214026

出　　处：《无损探伤》2022年第4期1-9,30,共10页Nondestructive Testing Technology

摘　　要：综述太赫兹(THz)光谱和成像技术作为各种非接触无损检测方法在多种工业领域的应用。先概述THz光谱和成像工作原理,后述评在三种行业的选定应用:建筑业、能源电力业和制造业。给出材料表征、厚度测量、缺陷或腐蚀测评实例。最后,对新光谱学、成像装置和相关技术作了讨论,意在为THz系统的工业NDT应用提供借鉴。The applications of terahertz(THz) spectroscopy and imaging technology as various non-contact and non-destructive testing methods in many industrial fields are overviewed.It first summarizes the working principle of THz spectroscopy and imaging, and then reviews the selected applications in three industries: construction, energy and power and manufacturing.Examples of material characterization, thickness measurement, and defect or corrosion evaluation are given.Finally, the new optical spectroscopy, imaging devices and related technologies are discussed, aiming to provide reference for the industry NDT adoption of THz technologies.

关 键 词：太赫兹 无损检测 非接触 时域光谱 连续波 太赫兹脉冲成像(TPI) 工业应用 

分 类 号：TG115.28[金属学及工艺—物理冶金]