Abstract
Recently, there has been an increasing demand to use Terahertz (THz) spectroscopy for screening and detection of CBRN agents and dangerous materials. Detection using THz radiation is possible due to structural absorption in this region. In this paper, we focus on the design of a novel detector based on metamaterials embedded in a one-dimensional photonic crystal. By optimizing the structural parameters of the metamaterial, the transmission of the proposed structure ranges from 3 to 8 THz. The result shows the appearance of a peak in the transmission band, which is located at 5.25 THz. By comparing this frequency to those of some explosives, we find that the presented structure based device can be used to identify explosives.
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Hamdouni, H., Ouerghi, F., Abdelmalek, F., Bouchriha, H. (2014). Design of Metamaterial Photonic Crystals for Explosives Detection. In: Pereira, M., Shulika, O. (eds) Terahertz and Mid Infrared Radiation: Detection of Explosives and CBRN (Using Terahertz). NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-8572-3_6
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DOI: https://doi.org/10.1007/978-94-017-8572-3_6
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