摘要
太赫兹波具有低能、宽带和独特的时域脉冲特性等特点,使其在材料物质科学领域具有着重要的应用价值.自主搭建了一套基于光电导天线的太赫兹时域光谱仪.从介绍光电导天线产生和探测太赫兹波的原理出发,重点阐述了太赫兹时域光谱仪的光路设计优化、搭建调试、功能拓展和应用实例分析,为自主研制高性能太赫兹时域光谱仪提供了方法和经验.
The low energy, broadband and unique time-domain pulse properties of terahertz wave, make it of important value in the area of material and matter science, etc. A home-made terahertz time-domain spectroscope (THz TDS) based on the photoconductive antenna (PCA) technique was built. The principle of terahertz wave emission and detection based on the PCA technique was firstly introduced, and the optical path designing, setting up and testing, function expanding, and application example analyzing were also elucidated in detail. The study provides a method and experience for the researchers who need to build a home-made high performance THz TDS.
作者
黄秋萍
蔡宏磊
陆亚林
HUANG Qiu-ping;CAI Hong-lei;LU Ya-lin(University of Science and Technology of China, Hefei 230026, China)
出处
《分析测试技术与仪器》
CAS
2019年第2期86-92,共7页
Analysis and Testing Technology and Instruments
基金
国家自然科学基金青年基金项目资助(批准号:11704373)
关键词
太赫兹波
太赫兹时域光谱仪
光电导天线
terahertz wave
terahertz time-domain spectroscopy
photoconductive antenna
