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PI Physik Instrumente - Fast Steering LB LW 11/24

TEM Probes Between Atoms

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HAMILTON, Ontario, Oct. 20, 2008 -- A powerful, $15 million transmission electron microscope (TEM) that has an atomic-level probing capability comparable to the galaxy peering power of the Hubble Space Telescope has been installed in the new Canadian Centre for Electron Microscopy at McMaster University. The TEM, so powerful it can probe the spaces between atoms, will be used to help produce more efficient lighting and better solar cells, study proteins and drug-delivery materials to target cancers. It will assess atmospheric particulates and help create lighter and stronger automotive materials, more effective cosmetics,...Read full article

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    Published: October 2008
    Glossary
    electron
    A charged elementary particle of an atom; the term is most commonly used in reference to the negatively charged particle called a negatron. Its mass at rest is me = 9.109558 x 10-31 kg, its charge is 1.6021917 x 10-19 C, and its spin quantum number is 1/2. Its positive counterpart is called a positron, and possesses the same characteristics, except for the reversal of the charge.
    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.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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