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

We 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 αj Here, αe means the electronic transition absorption loss, αv the a...

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Bibliographic Details
Published in:Journal of applied polymer science 1992-12, Vol.46 (10), p.1835-1841
Main Authors: Takezawa, Yoshitaka, Taketani, Noriaki, Tanno, Seikichi, Ohara, Shuichi
Format: Article
Language:English
Subjects:
Application fields
Applied sciences
Exact sciences and technology
Physical Sciences
Polymer industry, paints, wood
Polymer Science
Science & Technology
Technology of polymers
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Summary:We 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 αj Here, αe means the electronic transition absorption loss, αv the absorption loss due to harmonics of molecular vibrations, and αR Rayleigh scattering loss. These three losses cause attenuation loss intrinsically and determine the lower limit of loss in the POF. The αi is 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 Wiley & Sons, Inc.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.1992.070461015