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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Light Tied in Knots

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BRISTOL, GLASGOW & SOUTHAMPTON, UK, Jan. 18, 2010 -- A branch of abstract mathematics inspired by knots that occur in shoelaces and rope has been used to design holograms capable of creating knots in optical vortices. The colored circles represent the hologram, out of which the knotted optical vortex emerges. (Images: University of Bristol) The remarkable feat of tying light in knots has been achieved by a team of physicists working at the universities of Bristol, Glasgow and Southampton. Understanding how to control light in this way has important implications for laser technology used in wide a range of industries. "In a light...Read full article

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    Published: January 2010
    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.
    atomsBristolGlasgowhologramsknot theorylightLight SourcesMark DennisMikes PadgettNature Physicsoptical vorticesOpticsResearch & TechnologySouthamptonUKLasersLEDs

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