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Alexandrov, Andrey; Asada, Takashi; De Lellis, Giovanni; Di Crescenzo, Antonia; Gentile, Valerio; Naka, Tatsuhiro; Tioukov, Valeri; Umemoto, Atsuhiro
Scientific reports, 11/2020, Volume: 10, Issue: 1Journal Article
Abstract We have designed a fully automated optical microscope running at high-speed and achieving a very high spatial resolution. In order to overcome the resolution limit of optical microscopes, it exploits the localized surface plasmon resonance phenomenon. The customized setup using a polarization analyzer, based on liquid crystals, produces no vibrations and it is capable of probing isolated nanoparticles. We tested its performance with an automated readout using a fine-grained nuclear emulsion sample exposed to 60 keV carbon ion beam and, for the first time, successfully reconstructed the directional information from ultra-short tracks produced by such low-energetic ions using a solid-state tracking detector.
