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This contribution focuses on surface plasmon polaritons at terahertz frequencies. The coupling to surface plasmon polaritons is provided by periodic metal arrays with different structures and distinct dimensions. For these different geometries the generation and propagation of surface plasmon polaritons are studied. A full wave calculation of the interaction of THz radiation with the metal arrays...
In this contribution we present unique time-domain spectroscopy measurements of THz quantum cascade lasers. By coupling broad-band THz pulses into the active zone of the laser the internal processes and dynamics are accessed. Currently these devices are measured by emission spectroscopy which can only access their parameters in terms of output power, wavelength and line width of the emission. By applying...
Terahertz time-domain spectroscopy is applied to measure crystal orientation dependant absorption of benzoic acid at frequencies below 5 THz. A high frequency resolution is achieved for the system with a chromium coated GaP electro-optic detector.
Terahertz time-domain spectroscopy is applied to measure crystal orientation dependant absorption of benzoic acid at frequencies below 5 THz. A high frequency resolution is achieved for the system with a chromium coated GaP electro-optic detector
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