光変調器を用いた電界センサの抵抗装荷エレメントによる周波数帯域改善法 Frequency Bandwidth Improvement of Electric Field Sensor Using Optical Modulator by Resistively Loaded Element

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抄録

A wide-band electric field sensor is expected much for measuring impulse noise or evaluating EMC facilities. An electric field sensor using an optical modulator is suitable because it can operate over a wide frequency range and it does not disturb electric field because it does not have metallic materials.This paper describes the method for improving the frequency bandwidth of an the electric field sensor by resistively loaded element. The r esonant phenomenon of the sensor element was controlled by loading resistance on the element. First, the frequency response of the sensor was numerically analyzed by the moment method based on the equivalent circuit of the sensor, and the optimum distribution of resistance was obtained by the analysis. Then a sensor with resistively loaded element was fabricated and it's frequency characteristics were measured, and the measured value agreed closely with the calculated value. The frequency bandwidth of the sensor was made two times as wide as that of the sensor with the same long metallic element.

収録刊行物

  • 電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society  

    電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society 117(5), 515-521, 1997-05 

    社団法人電気学会

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各種コード

  • NII論文ID(NAID)
    10002821942
  • NII書誌ID(NCID)
    AN10136312
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854205
  • NDL 記事登録ID
    4204748
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-793
  • データ提供元
    CJP書誌  CJP引用  NDL  IR 
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