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    TEL:078-795-3233   E-mail:kkawai(at sign)kobe-kosen.ac.jp
  • 職名
  • 講師

  • 専門分野
  • 光電子工学, 有機分子エレクトロニクス, 応用光学

  • 現在の研究課題
    1. 光学異方性有機材料を用いた光波の高度伝播制御に関する研究
    2. 音響光学効果に関する研究とその応用
  • 研究業績(査読付学術論文(筆頭のみ), その他の論文はこちら:Researchmap または ORCID)
    1. 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, (2019) under review.
    2. 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
    3. 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
    4. 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
    5. K. Kawai, T. Sasaki, K. Noda, M. Sakamoto, N. Kawatsuki and H. Ono
      “Holographic binary grating liquid crystal cells fabricated by one-step exposure of photocrosslinkable polymer liquid crystalline alignment substrates to a polarization interference ultraviolet beam”
      Applied Optics 54, 6010-6018 (2015).
      Publisher: Optical Society of America, DOI: 10.1364/AO.54.006010
    6. K. Kawai, T. Sasaki, M. Sakamoto, K. Noda, N. Kawatsuki and H. Ono
      “Diffraction properties of a vector grating liquid crystal cell fabricated using a one-step exposure of a nonorthogonal elliptically polarized interference beam”
      Journal of the Optical Society of America B 32, 2435-2440 (2015).
      Publisher: Optical Society of America, DOI: 10.1364/JOSAB.32.002435
    7. K. Kawai, M. Kuzuwata, T. Sasaki, K. Noda, N. Kawatsuki and H. Ono
      “Blazed vector grating liquid crystal cells with photocrosslinkable polymeric alignment films fabricated by one-step polarizer rotation method”
      Japanese Journal of Applied Physics 53, 122601 (6 pages) (2014).
      Publisher: Japan Society of Applied Physics, DOI: 10.7567/JJAP.53.122601
    8. K. Kawai, T. Sasaki, K. Noda, N. Kawatsuki and H. Ono
      “Simple fabrication of liquid crystalline grating cells with homogeneous and twisted nematic structure and effects of orientational relaxation on diffraction properties”
      Applied Optics 53, 3679-3686 (2014).
      Publisher: Optical Society of America, DOI: 10.1364/AO.53.003679
  • 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 (Open Access).
  • 所属学会
  • Optical Society of America (アメリカ光学会), 応用物理学会

  • 担当教科(平成31年度)
  • 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(E2), 卒業研究(E5), 専攻科特別研究I(AE1), 専攻科ゼミナールI(AE1)

  • 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"