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Modifying terahertz waveguide geometries: Bends, tapers, and grooves
Terahertz waveguides are the focus of considerable research interest due to their potential for sensing, imaging and communications applications. Two of the most promising designs are the metal wire waveguide and the ...
A study of background signals in terahertz apertureless near-field microscopy and their use for scattering-probe imaging
Apertureless near-field microscopy is an imaging technique in which a small metal tip is held close to a surface, converting evanescent waves to propagating waves and permitting sub-wavelength spatial resolution. In the ...