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Visible Light Transmitted Through Nanocable

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CHESTNUT HILL, Mass., Jan 8, 2007 -- Physicists have beamed visible light through a cable hundreds of times smaller than a human hair, an achievement they said could lead to advances in solar power and optical computing. The discovery made at Boston College defies a key principle that says light cannot pass through a hole much smaller than its wavelength. In fact, the BC team forced visible light, which has a wavelength of between 380-750 nanometers, to travel down a cable whose diameter is smaller than even the low end of that range.Boston College physicists (l-r)  Krzysztof Kempa, Michael Naughton, Jakub Rybczynski and...Read full article

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    Published: January 2007
    Glossary
    light
    Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
    microscopic
    Characteristic of an object so small in size or so fine in structure that it cannot be seen by the unaided eye. A microscopic object may be rendered visible when examined under a microscope.
    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...
    antennaBCBiophotonicsBoston CollegecoaxialelectromagneticenergyKris KempalightmicroscopicnanonanocoaxNews & Featuresoptical computingphotonicssolarsolar cellsvisible light

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