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Quasioptic dielectric tetrahertz cavity: Coupled through optical tunneling
(AIP Publishing, 2001-04-23)
We report the observation of the well defined oscillation of a picosecond tetrahertz (ps THz) pulse within a dielectric concentric cy1indrica1 cavity, which is coupled to an incoming focused beam of ps THz pulses by the ...
Adiabatic compression of parallel-plate metal waveguides for sensitivity enhancement of waveguide THz time-domain spectroscopy
(AIP Publishing, 2005-02-02)
We demonstrate the efficient coupling of THz pulses into and out of an adiabatically compressed parallel-plate metal waveguide. The plate separation of the 63.5-mm long, compressed waveguide was fixed at 103 um at the ...
THz Sommerfeld wave propagation on a single metal wire
(AIP Publishing, 2005-04-12)
We report an experimental and theoretical study of THz Sommerfeld wave propagation on a single copper wire. THz pulses are optoelectronically generated and launched onto 0.52-mm-diam copper wire, and the guided THz pulses ...