Polarization-Independent Liquid Crystal Grating Fabricated by Microrubbing Process

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著者

    • Nose Toshiaki Nose Toshiaki
    • Department of Electronics and Information Systems, Akita Prefectural University, 84-4 Tsuchiya-Ebinokuchi, Honjo 015-0055, Japan

抄録

A novel rubbing process for generating a very fine liquid crystal (LC) alignment pattern is proposed: we term this the "microrubbing process". An alignment film (polyimide) is rubbed using a metal ball and the thicknesses of rubbed lines are controlled by the normal load. It is described that the maximum line thickness is restricted by the ball diameter and thickness of the alignment film. An LC grating with homogenous and twisted-nematic orientation domains is proposed and is successfully fabricated using the microrubbing process. Polarization-independent diffraction efficiency is confirmed in the low applied-voltage region below the threshold voltage of the electro-optical effect and the high applied-voltage region above 2 V. The diffraction efficiency almost reaches the theoretically maximum value at an optimum applied voltage and is electrically controllable while maintaining polarization-independent diffraction properties.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 42(11), 6992-6997, 2003-11-15

    公益社団法人 応用物理学会

参考文献:  16件中 1-16件 を表示

被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    10012564454
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    6752796
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE  JSAP 
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