Review of Terahertz Tomography Techniques
By Jean-Paul Guillet, B. Recur, L. Frédérique, Bruno Bousquet, Lionel Canioni, I. Manek-Hönninger, P. Desbarats, P. Mounaix. Journal of Infrared, Millimeter and Terahertz Waves, 2014
234 citations recorded by the source corpus.
Terahertz and millimeter waves penetrate various dielectric materials, including plastics, ceramics, crystals, and concrete, allowing terahertz transmission and reflection images to be considered as a new imaging tool complementary to X-Ray or Infrared. Terahertz imaging is a well-established technique in various laboratory and industrial applications. However, these images are often two-dimensional. Three-dimensional, transmission-mode imaging is limited to thin samples, due to the absorption of the sample accumulated in the propagation direction. A tomographic imaging procedure can be used to acquire and to render three-dimensional images in the terahertz frequency range, as in the optical, infrared or X-ray regions of the electromagnetic spectrum. In this paper, after a brief introduction to two dimensional millimeter waves and terahertz imaging we establish the principles of tomography for Terahertz Computed tomography (CT), tomosynthesis (TS), synthetic aperture radar (SAR) and time-of-flight (TOF) terahertz tomography. For each technique, we present advantages, drawbacks and limitations for imaging the internal structure of an object.
Subfields: Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering
View Paper: https://www.semanticscholar.org/paper/da2ad640b799b27c8686f0ce6b3a3185573b7993
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In Astronomy and Astrophysics
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Citations in the corpus
- Non-destructive testing and evaluation of composite materials/structures: A state-of-the-art review (2020, methodology): “THz-based NDT techniques use the wave characteristics to detect, analyse and evaluate material systems, which has attracted wide interest in various fields, leading to rapid expansion [138].”