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Terahertz Frequency Detection and Identification of Materials and Objects
We demonstrate a new waveguiding structure for terahertz (THz) radiation in which broadband THz pulses are confined and guided along a bare metal wire. The propagation of THz pulses on such a waveguide is characterized with a fiber-coupled terahertz time-domain spectroscopy system. Free-space THz radiation is coupled onto the waveguide at different positions along the wire, and spatially resolved detection of the electric field of the guided wave is performed at the end of the wire. Thisdoi:10.1007/978-1-4020-6503-3_5 fatcat:ygkloz4h7je7nnusyzq323m5qy