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Abstract
Terahertz technology and its imaging methodologies are around for almost more than a decade. Although THz is not something new but when it comes to its applications in spectroscopy and imaging, it all started after the publication of an article by Hu & Nuss in 1995. After that, a very rapid development of detection methodologies and algorithm development made it possible to boost the applications of THz imaging in various areas. Because of its non-destructive in nature, scientists and engineers explored its imaging capabilities in many areas with very good success rate. In this article, a brief discussion of the applications of THz imaging have been discussed and especially how it is safer than X-Ray with quite remarkable results.