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Electron-Guiding Mimics Optical Fiber Waveguides

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GARCHING, Germany, May 12, 2011 — A new technique that resembles the guiding of light waves in optical fibers has been used to efficiently guide slow electrons purely by electric fields for the first time. The achievement involves guiding the electrons by applying a microwave voltage to electrodes fabricated on a planar substrate and is promising for a variety of applications, from guided matter-wave experiments to noninvasive electron microscopy. The investigation of the properties of electrons plays a key role in the understanding of the fundamental laws of nature. Electrons were the first elementary particles to...Read full article

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    Published: May 2011
    Glossary
    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.
    quantum mechanics
    The science of all complex elements of atomic and molecular spectra, and the interaction of radiation and matter.
    Basic Scienceelectron guidingelectron microscopyElectronics & Signal AnalysiselectronsEuropefiber opticsGermanyHeisenberg uncertainty principleinterferometersJohannes Hoffroggematter-wave experimentsMax Planck Institute of Quantum OpticsMax Planck Research Group Ultrafast Quantum OpticsMicroscopymicrowave guidemicrowave guidingnanooptical fiber waveguidesOpticsPaul trapsPeter HommelhoffPhysical Review Lettersquantum experimentsquantum mechanicsquantum physicsSensors & Detectorsslow electronsTest & MeasurementWolfgang Paul

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