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Empirical estimation method of intrinsic loss spectra in transparent amorphous polymers for plastic optical fibers

机译：Empirical estimation method of intrinsic loss spectra in transparent amorphous polymers for plastic optical fibers

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AbstractWe have developed a novel simulation to estimate the intrinsic loss spectrum of a plastic optical fiber (POF) having a transparent amorphous polymer as its core. Loss for POF is divided into four elements, that is, αe, αv, αR, and αjHere, αemeans the electronic transition absorption loss, αvthe absorption loss due to harmonics of molecular vibrations, and αRRayleigh scattering loss. These three losses cause attenuation loss intrinsically and determine the lower limit of loss in the POF. The αiis the extrinsic loss due to fabrication process and contaminating dust, etc., and as such can be decreased to a negligible amount. We clarified the relationship between the chemical structure of polymer repeating unit and the three intrinsic losses and derived empirical equations to estimate the losses. The spectra estimated by this simulation agreed well with experimental ones. © 1992 John WileyS

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