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Microscope beats diffraction limit

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Compiled by EuroPhotonics staff

MANCHESTER, UK – A new microscope has shattered the record for the smallest object the eye can see, beating the diffraction limit of light and promising to promote understanding of the causes of many diseases. Standard optical microscopes can see items clearly at only about 1 μm; electron microscopes can see only the surface of a cell rather than its entire structure, and there is no tool that can see a live virus. Until now, that is. By combining an optical microscope with a transparent microsphere, dubbed the “microsphere nanoscope,” researchers at the University of Manchester...Read full article

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    Published: May 2011
    Glossary
    electron microscope
    A device utilizing an electron beam for the observation and recording of submicroscopic samples with the aid of photographic emulsions or other short-wavelength sensors. With the electron microscope, the maximum useful magnification is over 300,000.
    microscope
    An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    anodized aluminum oxide nanostructuresBasic ScienceBlu-ray DVDsCommunicationselectron microscopeEnglandEuro NewsEuropehuman cellsLin Lilive cellsmicroscopeMicroscopymicrosphere nanoscopemicrospheresnanonanoimaging systemnanoscale patternsnanostructuresnear-field virtual imagesNewsoptical diffractionoptical microscopeOpticstransparent microsphereUniversity of Manchester

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