Frequency-domain Terahertz Tomography

三维(3D)太赫兹(THz)成像或THz层析成像最近被证明在工业材料和结构的无损检测中是有用的。代替以前的成像技术，如THz脉冲/连续波雷达和THz计算机层析成像，我们提出了一种基于光子学和电子学的连续波THz源的THz光相干层析成像(OCT)，并在400 GHz到800 GHz的频率范围内展示了优越的系统尺寸、成本效益和性能。

Three dimensional (3D) terahertz (THz) imaging or THz tomography has recently proven to be useful for non-destructive testing of industrial materials and structures. In place of previous imaging techniques such as THz pulsed/continuous-wave radar and THz computed tomography, we proposed a THz optical coherence tomography (OCT) using photonics- and electronics-based continuous-wave THz sources, and demonstrated superior capabilities of 3D imaging with respect to system size, cost-effectiveness and performance in the frequency regions from 400 GHz to 800 GHz.