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Direct observation of the Gouy phase shift in THz impulse ranging
(AIP Publishing, 2000-02-07)
Here we present a direct observation of the Gouy effect through THz impulse scattering from cylindrical and spherical targets. A pi/2 Gouy phase shift through a one-axis focus compared to the more common pi phase shift of ...
Time resolved measurements which isolate the mechanisms responsible for terahertz glory scattering from dielectric spheres
(American Physical Society, 1998-01-12)
The surface-wave scattering processes responsible, in part, for the optical glory have never been compared with theoretical predictions. Here, THz impulse ranging is used to measure the time domain impulse response of ...
Optical tunneling of single-cycle terahertz bandwidth pulses
(American Physical Society, 2001-08-27)
We report time-domain measurements with subpicosecond resolution of optical tunneling of terahertz electromagnetic pulses undergoing frustrated total internal reflection. Measurements of the transmitted electromagnetic ...
Time domain terahertz impulse ranging studies
(AIP Publishing, 1995-10-02)
We present time domain impulse scattering measurements of freely propagating terahertz radiation measured with subpicosecond resolution. This fast time response corresponds to a usable bandwidth of over I THz. Measured ...
Properties of surface waves determined via bistatic terahertz impulse ranging
(AIP Publishing, 2001-02-19)
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 ...