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Fibers Thinner Than Wavelengths of Light

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ARLINGTON, Va., Dec. 23 -- Researchers have developed a process to create wires only 50 nanometers (billionths of a meter) thick. Made from silica, the same mineral found in quartz, the wires carry light in an unusual way: Because the wires are thinner than the wavelengths of light they transport, the material serves as a guide around which light waves flow. In addition, because the researchers can fabricate the wires with a uniform diameter and smooth surfaces down to the atomic level, the light waves remain coherent as they travel. HOW THIN IS IT? A light-conducting silica nanowire wraps a...Read full article

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    Published: December 2003
    Glossary
    quartz
    See crystal quartz; fused quartz.
    Basic Sciencecoherent lightCommunicationsindustriallight-conductingnanometersnanowireNews & FeaturesquartzSensors & Detectorssilica nanowiresilica wirewavelengths

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