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Photoconductive Terahertz microprobes have been crystalized as powerful measurement tools for high-resolution conductivity imaging, chip inspection and near-field imaging applications. In this work we demonstrate their integration into a high-speed system with 250 pixels/s data acquisition rate.
In this work, we investigate the near-field properties of a tapered single wire waveguide, also known as a Sommerfeld-wire, for application in sub-wavelength terahertz near-field imaging. In reflection geometry, several waveguide terminations are investigated. Furthermore, to examine the imaging capability of a 20 mum radius taper tip, several metal structures were measured. Using a tapered Sommerfeld-wire,...
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