Birefringence analysis of a photonics polymer doped with a birefringent crystal

Yukiko Yamada, Akihiro Tagaya, Yasuhiro Koike

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

The purpose of this study is to design an optimal strontium carbonate (SrCO3) crystal which can effectively compensate the orientational birefringence of polymers. Additionally, we try to compensate large positive birefringence which polycarbonate (PC) exhibits. Furthermore, we analyze the orientational behaviors of the crystals in biaxially drawn polymer films. As a result of the measurement of orientational birefringence of the polymer films doped with SrCO3 with various average sizes and aspect ratios and estimation of orientation function of the crystals, we found out that SrCO 3 with higher aspect ratio and larger size had higher compensation efficiency for the birefringence. As a result of measurement of transparency, we found out that the copolymer film doped with SrCO3 with higher aspect ratio and larger size was less transparent. Therefore, it was suggested that we should design an optimal crystal for particular purposes from the standpoint of the birefringence compensation efficiency and transparency when we apply this method to an optics application. Additionally, we succeed in designing a zero birefringent PC by doping with SrCO3. Furthermore, we found out that SrCO3 was aligned in a perpendicular direction to the thickness direction and was randomly oriented in planar direction in biaxially drawn polymer films.

本文言語English
ホスト出版物のタイトルOrganic Photonic Materials and Devices XI
DOI
出版ステータスPublished - 2009 6 29
イベントOrganic Photonic Materials and Devices XI - San Jose, CA, United States
継続期間: 2009 1 272009 1 29

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
7213
ISSN(印刷版)0277-786X

Other

OtherOrganic Photonic Materials and Devices XI
国/地域United States
CitySan Jose, CA
Period09/1/2709/1/29

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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