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Observation of electromagnetic shock waves from propagating surface-dipole distributions
(American Physical Society, 1989-06-19)
We have directly measured the time-dependent electromagnetic shock wave generated by an electric surface-dipole distribution propagating faster than the phase velocity in the underlying dielectric substrate. The results ...
Far infrared spectroscopy with subpicosecond electrical pulses on transmission lines
(AIP Publishing, 1987-08-17)
Optically generated and detected electrical pulses on transmission lines in the subpicosecond range have frequencies extending up to 1 THz, thereby covering the far infrared region of the spectrum from 0 to 30 cm^-1. We ...
Electromagnetic shock waves from transmission lines
(American Physical Society, 1987-10-12)
We have observed subpicosecond electrical pulses to propagate on 5-pm coplanar transmission lines at velocities faster than the phase velocity in the underlying dielectric. This situation produces an electromagnetic shock ...