太赫兹技术的独特性和优越性吸引着众多科学研究者的关注,在生物医药、信息科学、公共安全、量子研究和太空探测等领域具有巨大应用潜力。这些应用的有效性和可信度都需要以太赫兹相关参数的量值溯源为前提。文章以太赫兹光谱、频率、功率和强度等参数为对象,介绍了太赫兹计量研究的最新进展,分析了各种计量技术的特点,以期促进太赫兹计量技术发展,保障太赫兹研究和应用的量值可靠。
In view of its specialty and superiority,terahertz(THz)technology has been widely used in biomedicine,information science,public security,quantum research,and space exploration.To guarantee the effectiveness and credibility,all of these applications must be based on the traceable measurement of THz parameters.In this paper,the progress in terahertz metrology,including THz spectroscopy metrology,THz frequency metrology,THz radiometry and THz intensity metrology,is introduced.