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R. Schmidt, C. Wurm, S. Jakobs, J. Engelhardt, A. Egner and S. Hell, “Spherical Nanosized Focal Spot Unravels the Interior of Cells,” Nature Methods, Vol. 5, 2008, pp. 539-544. doi:10.1038/nmeth.1214

has been cited by the following article:

• TITLE: A Low Cost and Versatile STED Superresolution Fluorescent Microscope

  AUTHORS: Daniel McBride, Chin Su, Jun Kameoka, Stanislav Vitha

  KEYWORDS: Stimulated Emission-Depletion Microscopy; STED

  JOURNAL NAME: Modern Instrumentation, Vol.2 No.3, July 12, 2013

  ABSTRACT: A versatile and inexpensive super-resolution fluorescent microscope that functions as easily as a conventional confocal microscope is described. Components of the microscope were designed on a platform which was placed atop a surplus microscope frame. All optical components and equipments used are given. The excitation and depletion beams are extracted from a compact low-cost supercontinuum light source. The focal spot of the depletion beam at the focal plane is studied and imaged by a 100 nm aperture near-field fiber tip. The collinear excitation and depletion beam focused by a 0.9 numerical aperture microscope objective produce a 90 nm lateral super-resolution as verified by imaging 100 nm diameter fluorescent beads.