We demonstrate undistorted two-dimensionally-confined THz pulses propagation in a 5-cm-long waveguide formed by two metallic cylindrical surfaces. A simple theoretical model explains experimental results. The possibility of using the waveguide in sensing application was tested.
© 2010 The Optical Society
Y. H. Avetisyan, A. H. Makaryan, H. Hakopyan, and K. L. Vodopyanov, "Dispersion-Free 2-D Confined Terahertz Pulses Propagation in Gap Waveguide Formed by Two Cylindrical Surfaces," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper CTuQ2.
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