Parallel plate THz transmitter

Liquids and molecular solids investigated by THz time-domain reflection and parallel-plate waveguide spectroscopy

Study of the impedance mismatch at the output end of a THz parallel-plate waveguide

We study the reflection of terahertz (THz) radiation at the end of a parallel-plate waveguide (PPWG), due to the impedance mismatch between the propagating transverse-electromagnetic mode and the free-space background. We find that, for a PPWG with uniformly spaced plates, the reflection coefficient at the output face increases as the plate separation decreases, consistent with predictions by e...

Guided-wave THz time-domain spectroscopy of highly doped silicon using parallel-plate waveguides

An investigation of the lowest-order transverse-electric „TE1... mode of the parallel-plate waveguide for THz pulse propagation

We experimentally and theoretically investigate the lowest-order transverse-electric TE1 mode of the parallel-plate waveguide (PPWG) for the propagation of broadband THz pulses. We demonstrate undistorted THz pulse propagation via the single TE1 mode, solving the group-velocity-dispersion and spectral-filtering problems caused by the mode’s low-frequency cutoff. We observe a remarkable counteri...

Parallel Plate Electrochemical Reactor Model

A model is presented for a parallel plate electrochemical reactor which has electrodes that are the same size and are close together. That is, the distance between the electrodes (S) is much smaller than the length (L) or width (W) of the electrodes. Consideration of the material balance equations in light of this small aspect ratio (S/L) condit ion leads to predict ions of derived quanti t ies...