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Compared to the visible range, nano-scale material research in the infrared or terahertz wavelength is seriously limited due to a lack of useful microscope which can overcome diffraction limit and achieve spatial resolution down to the nanometers. For this purpose, we constructed a new terahertz scattering-type scanning near-field optical microscope (THz s-SNOM, Fig. 1(a)). By equipping an ultra-high...
A new-styled molecular hyperspectral imaging system (MHIS) based on acousto-optic tunable filter (AOTF) was introduced in this paper. This system consists of a Charge-coupled Device (CCD) camera, microscopy, AOTF, and a RF driver. Real-time images are obtained both at multiple, continuous wavelengths and at relatively narrow spectral bandwidths to generate a 3D data including one spectral and two...
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