Katarina Kis-Petikova

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We describe a novel method to track fluorescent particles in three dimensions with nanometre precision and millisecond time resolution. In this method, we use our two-photon excitation microscope. The galvomotor-driven x-y scanning mirrors allow the laser beam to move repetitively in a circular path with a radius of half the width of the point spread(More)
We developed a method to measure relative distances with nanometer accuracy of fluorescent particles of different color in a two-photon scanning fluorescence microscope, with two-channel photon counting detection. The method can be used in the 10-500 nm range, for distances below the resolution limit of standard far field microscopy. The proposed technique(More)
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