Properties of surface waves determined via bistatic terahertz impulse ranging

Reiten, M. T.; Grischkowsky, D.; Cheville, R. A.
February 2001
Applied Physics Letters;2/19/2001, Vol. 78 Issue 8, p1146
Academic Journal
A bistatic terahertz impulse ranging system has permitted the full isolation and direct measurements of the surface wave loss and dispersion for terahertz frequencies on a dielectric cylinder. This system permits ranging investigations with variable bistatic angles between the source and detector. Direct, frequency dependent comparisons of surface wave loss and propagation velocity are compared to Mie theory and previous measurements of surface wave propagation over a 1 THz bandwidth. The observed radiation from the surface waves is seen to depend on the path of the radiation in and along the scatterer. © 2001 American Institute of Physics.


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