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Source publication
Recent developments in femtosecond fibre laser combined with the photomixing technique enable THz radiation between 50 GHz up to 3000 GHz to be synthesised. This solid state source THz is dedicated to high resolution spectroscopy in a spectral region no other solution offering the large tunability required.
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Interdigitated photoconductive antennas are powerful and easy-to-use sources of terahertz radiation for time-resolved spectroscopy. However, the emission of unwanted echoes, resulting from reflections of the emitted pulse in the antenna substrate, inherently limits the spectroscopic frequency resolution. A novel interdigitated photoconductive anten...
