THz帯Kretschmann型表面プラズモン共鳴導波路センサ

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タイトル別名
  • A KRETSCHMANN-TYPE SURFACE PLASMON RESONANCE WAVEGUIDE SENSOR IN THE TERAHERTZ REGION

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We propose a surface plasmon resonance (SPR) waveguide sensor based on the Kretschmann configuration in the THz region. First, the sensor structure is reduced to a three-layer model, and the reflectance is estimated using the Fresnel equation. The angle of incidence of the waveguide is determined to be 45°, where the reflectance of the three-layer model becomes minimum. Next, we calculate the SPR response of the waveguide sensor using the finite-difference time-domain (FDTD) method. It is shown that the absorption peak of the SPR occurs at a specific frequency. In addition, we investigate the SPR response with respect to temperature changes. The possibility of detecting water temperature is shown with high sensitivity.

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詳細情報 詳細情報について

  • CRID
    1390853649761515904
  • NII論文ID
    120006897044
  • NII書誌ID
    AA12677220
  • DOI
    10.15002/00022864
  • HANDLE
    10114/00022864
  • ISSN
    21879923
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • IRDB
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用可

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