Abstract
The generation of terahertz (THz) radiation by two-color laser pulse induced gas plasma is an actively researched topic since its exploration [1]. It is a tabletop, powerful spectroscopic tool in the far-infrared spectral regime. The THz spectroscopy is capable to identify chemicals in a nondestructive way [2]. It is capable to generate THz radiation by remotely more than 100m from the laser system [3], the remote sensing of the THz radiation also possible [4]. By the combination of the former mentioned features, the THz spectroscopy is a powerful tool to identify drugs, poisons and explosives with remotely in a nondestructive way.
© 2019 IEEE
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