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Hollow-Core Holey Fiber Is Fabricated with Polymer

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Polymer fibers generally are less expensive than silica fibers and often enable applications that would be economically impractical with silica. But polymers absorb strongly at wavelengths above 850 nm, primarily because of resonances with C-H vibrational bands, and thus are not suitable for infrared applications. Hollow-core polymer fibers, however, which transmit light in the air of their hollow cores rather than in the polymer, would be expected to transmit in the infrared. Recently, researchers at the Optical Fibre Technology Centre of the University of Sydney in Australia fabricated...Read full article

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    Published: March 2006
    Glossary
    infrared
    Infrared (IR) refers to the region of the electromagnetic spectrum with wavelengths longer than those of visible light, but shorter than those of microwaves. The infrared spectrum spans wavelengths roughly between 700 nanometers (nm) and 1 millimeter (mm). It is divided into three main subcategories: Near-infrared (NIR): Wavelengths from approximately 700 nm to 1.4 micrometers (µm). Near-infrared light is often used in telecommunications, as well as in various imaging and sensing...
    polymer
    Polymers are large molecules composed of repeating structural units called monomers. These monomers are chemically bonded together to form long chains or networks, creating a macromolecular structure. The process of linking monomers together is known as polymerization. Polymers can be classified into several categories based on their structure, properties, and mode of synthesis. Some common types of polymers include: Synthetic polymers: These are human-made polymers produced through...
    fiber opticsHollow-Core Holey FiberinfraredpolymerResearch & Technologysilica fibers

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