New insights into dopant design for graded-index plastic optical fibers for transmission at 850 nm

Arijit Sengupta, Kotaro Koike, Yasuhiro Koike, Yoshiyuki Okamoto

研究成果: Article査読

1 被引用数 (Scopus)

抄録

To develop graded-index plastic optical fibers (GI POFs) which can be utilized for transmissions at 850 nm, not only do molecular vibrational absorptions of the base polymeric materials need to be considered, but also the dopants used. In this study, chlorinated aromatic dopants were synthesized and their effects on the optical and thermal properties of poly(pentafluorostyrene), which has the low-loss window at 850 nm, were studied. The polymers doped with chlorinated dopants showed no absorption peak and retained the broad windows around the source wavelength. Furthermore, they showed higher glass transition temperatures when compared at similar refractive indices than the polymer doped with diphenyl sulfide, which is the most common dopant for acrylates and styrenes-based GI POFs. However, as the chlorine content per dopant molecule increased, the compatibility with the base material became worse and the doped polymer exhibited a higher attenuation due to an increment of light scattering.

本文言語English
ページ(範囲)782-786
ページ数5
ジャーナルOptical Materials
36
4
DOI
出版ステータスPublished - 2014 2

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • コンピュータ サイエンス(全般)
  • 原子分子物理学および光学
  • 分光学
  • 物理化学および理論化学
  • 有機化学
  • 無機化学
  • 電子工学および電気工学

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