Foreign Object Detection by Sub-Terahertz Quasi-Bessel Beam Imaging

Foreign Object Detection by Sub-Terahertz Quasi-Bessel Beam Imaging

Food quality monitoring, particularly foreign object detection, has recently become a critical issue for the food industry. In contrast to X-ray imaging, terahertz imaging can provide a safe and ionizing-radiation-free nondestructive inspection method for foreign object sensing. In this work, a quas...

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Bibliographic Details
Main Authors: Hyang Sook Chun, Kyung Hyun Park, Sung-Wook Choi, Gyeongsik Ok
Format: Article
Language:English
Published: MDPI AG 2012-12-01
Series:Sensors
Subjects:
terahertz imaging
sub-terahertz imaging
quasi-Bessel beam
axicon
foreign object detection
FDTD
Online Access:http://www.mdpi.com/1424-8220/13/1/71

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