THz reflectometer for 3D imaging at 100 GHz


This paper presents the design of an imaging FMCW (Frequency-Modulated Continuous-Wave) radar system operating in the frequency band 75–110 GHz. The 35-GHz bandwidth offers a theoretical longitudinal resolution of 4.2 mm to detect inner defects. The study concerns defects such as holes and cracks. True 3D imaging is obtained by scanning transversally the material under test, the transverse resolution being limited by the beam waist.

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@article{Bassli2017THzRF, title={THz reflectometer for 3D imaging at 100 GHz}, author={A. Bassli and Ali Benbassou and Jamal Belkadid and Annick Penarier and S. Blin and P. Nouvel}, journal={2017 International Conference on Wireless Technologies, Embedded and Intelligent Systems (WITS)}, year={2017}, pages={1-5} }