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Flare coupled metal parallel-plate waveguides for high resolution terahertz time-domain spectroscopy
(AIP Publishing, 2010-12-03)
We report on a new coupling scheme for high resolution terahertz spectroscopy of microcrystalline films using parallel-plate waveguides. Metal flares are used to couple the terahertz radiation into and out of the waveguide. ...
Highly sensitive terahertz measurement of layer thickness using a two-cylinder waveguide sensor
(AIP Publishing, 2010-08-17)
We report on the layer thickness determination on dielectrically coated metal cylinders using terahertz (THz) time-domain spectroscopy. A considerable sensitivity increase of up to a factor of 150 is obtained for layers ...