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New super-resolution STED microscope has been installed at the Condensed matter department (F5) which enables 3D imaging of up-to 100 m thick fluorescently labeled transparent matter, such as biological or soft samples. STED microscope has an impressive 30 nm lateral resolution and uses two-photon excitation to image in greater depth, achieving still superior resolution of 200 nm. Special gated detection system with time resolution of 100 ps enables mapping of the fluorescence lifetime to characterize the interactions between the fluorescent probes and environment. Contact: janez.strancar@ijs.si