太赫兹脉冲焦平面成像技术的发展与应用  

Advancement and application of terahertz pulsed focal-plane imaging technique

作　　者：王新柯 张岩 Wang Xinke;Zhang Yan(Beijing Key Lab for Metamaterials and Devices,Department of Physics,Capital Normal University,Beijing 100048,China)

机构地区：[1]首都师范大学物理系,超材料与器件北京市重点实验室,北京100048

出　　处：《光电工程》2020年第5期24-41,共18页Opto-Electronic Engineering

基　　金：国家自然科学基金资助项目(11474206,11404224,11774243,11774246)。

摘　　要：作为太赫兹技术中的重要组成部分,太赫兹脉冲焦平面成像一经问世就引起了行业内的广泛关注,人们引入了各种方法去提升此成像技术的测量性能,同时也尝试将此成像技术应用于不同的工业和基础研究领域。本文综述了近年来人们对太赫兹脉冲焦平面成像的技术改良和应用研究,包括提升成像系统的空间分辨率、信噪比、信息获取能力,以及将此成像技术应用于光谱识别检测、超表面器件功能验证、太赫兹特殊光束测量、太赫兹表面波观测等,希望该综述能够推动太赫兹脉冲焦平面成像的进一步技术革新和应用拓展。As an important composition of terahertz(THz)technology,THz pulsed focal-plane imaging has been paid widely attention since it was invented.Until now,researchers have introduced all kinds of methods to enhance the performance of this imaging technique.Simultaneously,this imaging technique has been tried to apply into various industrial and fundamental research fields.In this paper,recent technique improvements and application researches for THz pulsed focal-plane imaging are reviewed,including the spatial resolution enhancement,signal-to-noise ratio improvement,information acquiring ability as well as applications of this imaging technique in spectroscopic identification inspections,function demonstrations of meta-surface devices,measurements of THz special beams,observations of THz surface electromagnetic waves,and so on.The aim of this paper is to push the technique innovation and application exploration of THz pulsed focal-plane imaging.

关 键 词：太赫兹 焦平面成像 分辨率 超表面 

分 类 号：O441.4[理学—电磁学] O433.1[理学—物理]