Synthesis of a zero-birefringence polymer by doping with a nano-size birefringent crystal

Hisanori Ohkita, Akihiro Tagaya, Yasuhiro Koike

研究成果: Conference contribution

1 被引用数 (Scopus)


We reported the "birefringent crystal dopant method" in order to compensate the orientational birefringence of polymers for optical devices. In this method, a birefringent inorganic crystal which has rod-like shape is homogeneously doped into a polymer and it compensates the orientational birefringence of the polymer. Strontium carbonate (SrCO3) was selected for this purpose because it has a large birefringence and a rod-like shape. SrCO3 was synthesized and doped into a poly(MMA/BzMA=78/22(wt/ wt)) (78/22 polymer) film and a cycloolefin polymer film and the films were drawn above glass transition temperature (Tg). The orientational birefringence of the drawn film at a wavelength of 633 nm was compensated and reduced by doping with SrCO3. Furthermore, we analyzed the transparency and thermostability of the films.

ホスト出版物のタイトルOrganic Photonic Materials and Devices VIII
出版ステータスPublished - 2006 5 23
イベントOrganic Photonic Materials and Devices VIII - San Jose, CA, United States
継続期間: 2006 1 232006 1 26


名前Proceedings of SPIE - The International Society for Optical Engineering


OtherOrganic Photonic Materials and Devices VIII
CountryUnited States
CitySan Jose, CA

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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