Tunable Surface Plasmon Resonances Based on Chromium Disk Array Containing Liquid Crystals

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The tunable surface plasmon resonances of an indium tin oxide (ITO) cell embedded with a chromium disk array and liquid crystals (LCs) have been investigated. The chromium disk array with a diameter of 300 nm and a period of 600 nm was fabricated on one ITO film and the LCs were infiltrated into the ITO cell. The effective refractive indices of the sandwiched LCs may be tuned from 1.51 to 1.73 by applying external electrical fields across the two ITO films. The optical transmission spectra reveal two resonances that may be modulated from 482 to 575 nm and from 670 to 723 nm within the range of tuning. In addition, the tunable surface plasmon resonances illustrate hysteresis behaviors. These results are identified to be associated with the alignment of LCs that is modulated by the electrical fields.

収録刊行物

  • Jpn J Appl Phys  

    Jpn J Appl Phys 50(9), 09MG03-09MG03-4, 2011-09-25 

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

各種コード

  • NII論文ID(NAID)
    150000057977
  • NII書誌ID(NCID)
    AA12295836
  • 本文言語コード
    EN
  • 資料種別
    特集
  • 雑誌種別
    大学紀要
  • ISSN
    00214922
  • NDL 記事登録ID
    11251038
  • 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
    NDL  JSAP 
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