Estimate of light scattering loss of amorphous polymer glass from its molecular structure

Norihisa Tanio, Yasuhiro Koike

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The fluctuation theory indicates that the isotropic light scattering loss of amorphous polymer glass, which is used as a material for polymer optical fiber, decreases with the decrease in isothermal compressibility β and refractive index. In order to prepare low light-scattering-loss polymer glass, it is necessary to know the isothermal compressibility of polymers. However, the β for most polymers has not yet been measured precisely using a mechanical procedure. In this work, we estimate the isothermal compressibility of amorphous polymer glass from its molecular structure and calculate its isotropic light scattering loss.

Original languageEnglish
Pages (from-to)743-748
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume36
Issue number2
Publication statusPublished - 1997

Fingerprint

Light scattering
Molecular structure
light scattering
molecular structure
Glass
Compressibility
glass
polymers
Polymers
estimates
compressibility
Plastic optical fibers
fluctuation theory
Refractive index
optical fibers
refractivity

Keywords

  • Amorphous polymer
  • Isothermal compressibility
  • Light scattering loss
  • Molecular structure
  • Molecular volume
  • Poly(methyl methacrylate)
  • Polymer optical fiber
  • Refractive index

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Engineering(all)

Cite this

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AU - Tanio, Norihisa

AU - Koike, Yasuhiro

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AB - The fluctuation theory indicates that the isotropic light scattering loss of amorphous polymer glass, which is used as a material for polymer optical fiber, decreases with the decrease in isothermal compressibility β and refractive index. In order to prepare low light-scattering-loss polymer glass, it is necessary to know the isothermal compressibility of polymers. However, the β for most polymers has not yet been measured precisely using a mechanical procedure. In this work, we estimate the isothermal compressibility of amorphous polymer glass from its molecular structure and calculate its isotropic light scattering loss.

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KW - Light scattering loss

KW - Molecular structure

KW - Molecular volume

KW - Poly(methyl methacrylate)

KW - Polymer optical fiber

KW - Refractive index

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