教員紹介(電気工学科)

河合 孝太郎(研究室ホームページは こちら
KAWAI Kotaro E-mail:kkawai(at sign)kobe-kosen.ac.jp
  • 職名
  • 准教授

  • 専門分野
  • 応用光学(波動光学・現代光学), 有機分子エレクトロニクス

  • 現在の研究課題(詳細は 研究室HP:研究内容 をご覧ください)
    1. 多光束ヘテロダイン偏光干渉による高ダイナミックレンジ光計測
    2. 複屈折材料を対象とした振幅変調円偏光の照射による各種光計測
    3. 光学異方性有機材料を用いた光波の高度伝播制御デバイスの形成
  • 研究業績(主要5件), その他の論文はこちら:研究室HP:研究業績 または Researchmap)
    1. F. Wakabayashi, and K. Kawai
      “High dynamic range thickness measurement by double heterodyne interferometry”
      Optics Continuum 1, 2453-2459 (2022).

      Publisher: Optical Society of America, DOI: 10.1364/OPTCON.470640
    2. K. Kawai, M. Sakamoto, K. Noda, T. Sasaki, N. Kawatsuki and H. Ono
      “Dynamic control of diffraction angle and separation properties of wavelength and polarization by quaternary liquid crystal grating”
      Applied Optics 58, 4234-4240 (2020).

      Publisher: Optical Society of America, DOI: 10.1364/AO.58.004234
    3. K. Kawai, M. Sakamoto, K. Noda, T. Sasaki, N. Kawatsuki and H. Ono
      “Tunable dichroic polarization beam splitter created by one-step holographic photoalignment using four-beam polarization interferometry”
      Journal of Applied Physics 121, 013102 (11 pages) (2017).
      Publisher: American Institute of Physics, DOI: 10.1063/1.4972981
    4. K. Kawai, M. Sakamoto, K. Noda, T. Sasaki, N. Kawatsuki and H. Ono
      “Design and fabrication of a tunable wavelength-selective polarization grating”
      Applied Optics 55, 6269-6274 (2016).

      Publisher: Optical Society of America, DOI: 10.1364/AO.55.006269
    5. K. Kawai, M. Sakamoto, K. Noda, T. Sasaki, N. Kawatsuki and H. Ono
      “Three-dimensionally modulated anisotropic structure for diffractive optical elements created by one-step three-beam polarization holographic photoalignment”
      Journal of Applied Physics 119, 123102 (5 pages) (2016).
      Publisher: American Institute of Physics, DOI: 10.1063/1.4944810
  • 研究業績(書籍)
    1. K. Kawai, M. Sakamoto, K. Noda, T. Sasaki, N. Kawatsuki and H. Ono
      “One-Step Holographic Photoalignment for Twisted Nematic Liquid Crystal Grating”
      pp. 355-375 (Chapter 16), Holographic Materials and Optical Systems
      I. Naydenova, D. Nazarova, and T. Babeva eds.
      Publisher: InTechOpen, ISBN: 978-953-51-3038-3.
  • 所属学会
  • Optical Society of America (アメリカ光学会), 日本光学会, 応用物理学会

  • 担当教科
  • 電子工学(E3), 半導体工学(E4), 電気材料(E5), 先端半導体デバイス(AE1)
    電気工学実験実習(E3, E4), 専攻科ゼミナールI(AE1)
    卒業研究(E5), 専攻科特別研究I, II(AE1, AE2)

  • クラブ顧問
  • 吹奏楽部(HPはこちら

  • 受賞学術賞
    1. Best Poster Award, The 2nd Asian Conference on Liquid Crystals
      K. Kawai et al., “Binary grating liquid crystal cells fabricated by one-step polarization holographic exposure on photocrosslinkable polymer liquid crystal films”
    2. Poster Award, The 5th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies
      K. Kawai et al., “Vector grating liquid crystal cells with TN and homogeneous alignment fabricated by one-step exposure of photocrosslinkable polymer liquid crystal films to non-orthogonal elliptical interference beam”