18 October 2013 Multispectral THz-VIS passive imaging system for hidden threats visualization
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Abstract
Terahertz imaging, is the latest entry into the crowded field of imaging technologies. Many applications are emerging for the relatively new technology. THz radiation penetrates deep into nonpolar and nonmetallic materials such as paper, plastic, clothes, wood, and ceramics that are usually opaque at optical wavelengths. The T-rays have large potential in the field of hidden objects detection because it is not harmful to humans. The main difficulty in the THz imaging systems is low image quality thus it is justified to combine THz images with the high-resolution images from a visible camera. An imaging system is usually composed of various subsystems. Many of the imaging systems use imaging devices working in various spectral ranges. Our goal is to build a system harmless to humans for screening and detection of hidden objects using a THz and VIS cameras.
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Marcin Kowalski, Marcin Kowalski, Norbert Palka, Norbert Palka, Mieczyslaw Szustakowski, Mieczyslaw Szustakowski, } "Multispectral THz-VIS passive imaging system for hidden threats visualization", Proc. SPIE 8900, Millimetre Wave and Terahertz Sensors and Technology VI, 89000F (18 October 2013); doi: 10.1117/12.2028338; https://doi.org/10.1117/12.2028338
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