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Study of ellipsoidal inclusions in elastically strained optical fiber

Research Project

Project/Area Number 18KK0401
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (A))

Allocation TypeMulti-year Fund
Research Field Composite materials/Surface and interface engineering
Research InstitutionThe University of Electro-Communications

Principal Investigator

Furukawa Rei  電気通信大学, 大学院情報理工学研究科, 准教授 (50589695)

Project Period (FY) 2019 – 2023
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥15,600,000 (Direct Cost: ¥12,000,000、Indirect Cost: ¥3,600,000)
Keywordsプラスチック光ファイバー / 異方性介在物 / 配向 / マイクロメカニックス / 応力-ひずみ / 弾性変形 / 複屈折相殺効果 / 界面ゲル重合法 / 弾性変形 ひずみセンサー / 共重合比 / ひずみセンサー
Outline of Research at the Start

異方性介在物が内部に分散したポリマー光ファイバーにおいて、弾性変形とともにその介在物がどのような配向を起こすかについて、またその配向により伝搬光の状態(偏波状態、吸収など)がどのような影響を受けるかについて、介在物の特徴別(形状、大きさ、光機能性など)に調査する。このたびの連携では、バスク大学が現有するプラスチック光ファイバー内の色素濃度分布測定系をファイバーの弾性変形をしながら測定ができるように拡張し、また、同大が行なっている理論計算においても複屈折消去性ポリマーなどの条件を付加し、最終的に、ドーパントの配向を弾性変形量ごとにファイバー内でマッピングすることを目標とする。

Outline of Final Research Achievements

Inclusions with strong shape anisotropy were dispersed in a polymer optical fiber with a copolymer core, and the orientation of the inclusions under fiber deformation was investigated. Due to travel restrictions during the period, the destination was changed to Professor Onur Cem Namli's lab at Yeditepe University, Turkiye. At Yeditepe University, the stress distribution of a cylindrical cross section was analyzed. This result suggests that the terpolymers prepared using the interfacial gel polymerization method, which is the method used to construct the core and cladding of fiber preforms, are not ideal random copolymers. Based on this result, a dynamic scattering analysis was conducted in our group in Chofu, which showed that diffusion among the solidified layer and the unreacted monomer contributes to the generation of heterogeneity.

Academic Significance and Societal Importance of the Research Achievements

建物やボンベなどの変形を簡便な方法で随時監視できれば、いろいろな活用法が出てくる。本研究は、そのような構造物の変形検知を、介在物を担持させたプラスチック光ファイバーを使って実現することを目標として実施したものである。プラスチック光ファイバー内の異方性介在物の配向解析において、荷重試験とモデリング双方から実施した。結果、プラスチック担体に100 nm程度の微視的な異方性があることがわかった。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (19 results)

All 2023 2022 2021 2020 2019

All Int'l Joint Research (1 results) Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (15 results) (of which Int'l Joint Research: 6 results,  Invited: 1 results)

  • [Int'l Joint Research] イェディテペ大学(トルコ)2022

    • Year and Date
      2022-08-10
    • Related Report
      2023 Annual Research Report
  • [Journal Article] Mode-dependent dye absorption in phthalocyanine-doped acrylic optical fiber2022

    • Author(s)
      Takahiro Shigeyama and Rei Furukawa
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: -

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Waveguide optimization and its evaluation of a doped polymer optical fiber designed for visual detection of stress2020

    • Author(s)
      Hirose Chie、Kamimura So、Furukawa Rei
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 59 Issue: SD Pages: SDDF07-SDDF07

    • DOI

      10.7567/1347-4065/ab591e

    • NAID

      210000157610

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Stress-induced absorption of a birefringence-reduced polymer optical fiber with doped core2019

    • Author(s)
      Uzawa Keigo、Tozaki Takamichi、Yano Kentaro、Nihei Eisuke、Furukawa Rei
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 59 Issue: SD Pages: SDDF06-SDDF06

    • DOI

      10.7567/1347-4065/ab5c31

    • NAID

      210000157694

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Suppressing core inhomogeneity of the terpolymer optical fiber using intermediate layer2023

    • Author(s)
      Shingo Sode, Kimiteru Yamauchi, Rei Furukawa
    • Organizer
      The 31st International Conference on Plastic Optical Fibers (POF2023)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Scattering analysis of terpolymer-based fiber-optic strain sensor fabricated using interfacial gel polymerization2023

    • Author(s)
      Rei Furukawa, Yuki Ino, Kimiteru Yamauchi
    • Organizer
      International Congress on Pure & Applied Chemistry (ICPAC) Bali 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Fabrication and polarized waveguiding analysis of terpolymer-based optical fiber doped with phthalocyanine derivatives2022

    • Author(s)
      Shintaro Haruyama, Takahiro Shigeyama, Rei Furukawa
    • Organizer
      第71回高分子学会年次大会
    • Related Report
      2022 Research-status Report
  • [Presentation] Analysis of the effect of copolymer in Zero-Birefringence polymer optical fiber on steady-state speed2022

    • Author(s)
      Kimiteru Yamauchi, Rei Furukawa, Shingo Sode, Hayato Yamazaki
    • Organizer
      第71回高分子学会年次大会
    • Related Report
      2022 Research-status Report
  • [Presentation] Plastic optical fiber doped with phthalocyanine2022

    • Author(s)
      Rei Furukawa, Shintaro Haruyama, Takahiro Shigeyama
    • Organizer
      International Congress on Pure & Applied Chemistry Kota Kinabalu (IPAC KK 2022)
    • Related Report
      2022 Research-status Report
  • [Presentation] 共重合体ポリマー光ファイバーにおける屈折率分布の不均一性2022

    • Author(s)
      早出 真悟、山崎 駿人、古川 怜
    • Organizer
      第69回応用物理学会春季学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] 二色性色素を添加した複屈折消去性ポリマー光ファイバーの偏波伝搬特性の解析2022

    • Author(s)
      山崎 駿人、矢野 賢太郎、古川 怜
    • Organizer
      第69回応用物理学会春季学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] Strain Vector Detection Using a Combination of a Birefringence-Controlled Terpolymer Optical Fiber and a Dichroic Dye Dopant2021

    • Author(s)
      Hayato Yamazaki, Shingo Sode, Keigo Uzawa, Kentaro Yano, and Rei Furukawa
    • Organizer
      OSA Imaging and Applied Optics Congress
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] フタロシアニン誘導体を添加したポリマー光ファイバーの作製と導波路特性解析2021

    • Author(s)
      滋山 隆広、古川 怜
    • Organizer
      2021年度第3回光ファイバ応用技術研究会(OFT)
    • Related Report
      2021 Research-status Report
  • [Presentation] シアン系二色性色素を添加した複屈折消去性ポリマー光ファイバーによるひずみ検知2021

    • Author(s)
      山崎 駿人、矢野 賢太郎、古川 怜
    • Organizer
      2021年度第3回光ファイバ応用技術研究会(OFT)
    • Related Report
      2021 Research-status Report
  • [Presentation] Mode-dependent polarization analysis of plastic optical fibers with birefringence-reduce core2021

    • Author(s)
      Shingo Sode, Hayato Yamazaki, Keigo Uzawa, and Rei Furukawa
    • Organizer
      第70回高分子学会年次大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Strain sensor using a dopant dye with its absorption matching the transmission window of a polymer optical fiber2021

    • Author(s)
      Hayato Yamazaki, Keigo Uzawa, Kentaro Yano, and Rei Furukawa
    • Organizer
      第70回高分子学会年次大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Doped Polymer Optical Fiber for On-site Visualization2019

    • Author(s)
      Rei Furukawa and Chie Hirose
    • Organizer
      The 28th International Conference on Plastic Optical Fibers
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Polarization-Dependent Absorption of a Stressed Birefiringence-Reduced Polymer Optical Fiber Doped with Dichroic Dye2019

    • Author(s)
      K. Uzawa, R. Furukawa, K. Yano
    • Organizer
      The 28th International Conference on Plastic Optical Fibers
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Doped organic optical fibers for strain Sensing2019

    • Author(s)
      Rei Furukawa, Nobuko Fukuda, Takafumi Sassa, Kentaro Yano, Morio Nagata, Tsuyoshi Ochiai
    • Organizer
      JISSE-16 Satellite Meeting in Honor of the 75th Birthday of Prof. Minoru Taya Symposium on bioinspired design of advanced materials
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2019-02-06   Modified: 2025-01-30  

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