Effect of dopant structure on refractive index and glass transition temperature of GI POF cores

Kotaro Koike, Hongxiang Teng, Yasuhiro Koike, Yoshiyuki Okamoto

研究成果: Paper査読

抄録

Graded-index plastic optical fibers (GI POFs), composed of doped polymers, have advantages over conventional glass optical fibers (GOFs), but need to be developed further for practical application. Here, a variety of aromatic sulfide dopants were synthesized and their effects on the refractive indexes and glass transition temperatures (Tg) of poly(methyl methacrylate) and methyl 2-chloroacrylate/2,2,2-trichloroethyl methacrylate copolymers were studied. While polymers containing large dopants exhibited relatively high refractive indices, their Tg values were low, making these materials unsuitable for GI POF applications. Six dopants yielded polymers that exhibited higher Tg values than the conventionally used (diphenyl sulfide)-doped polymer. The dopant dibenzothiophene, in particular, yielded polymers with the highest refractive indexes and Tg values, and polymers containing (phenylthio)benzene dopants also performed well.

本文言語English
ページ199-202
ページ数4
出版ステータスPublished - 2014
イベント23rd International Conference on Plastic Optical Fibers, POF 2014 - Hiyoshi, Yokohama, Japan
継続期間: 2014 10 82014 10 10

Other

Other23rd International Conference on Plastic Optical Fibers, POF 2014
国/地域Japan
CityHiyoshi, Yokohama
Period14/10/814/10/10

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 材料化学
  • ポリマーおよびプラスチック

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