プラスチック光ファイバの永久接合と光分岐結合器の性能比較 Performance Comparison of Optical Splitter/Couplers and Plastic Optical Fiber Permanent Bonding

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Optical couplers in which fibers are directly bonded to each other show potential for stable optical performance, therefor numerous proposals have been made in this area, particularly regarding glass fiber.<br>In this report, an attempt was made to bond plastic optical fibers and typical optical characteristics were compared with various other techniques. A prototype optical coupler employing plastic optical fiber with a diameter of 1mm was fabricated. For the techniques such as "bonding using an optical adhesive" and "thermal fusion via partial heating" which require stripping of the clad layer or other forms of pretreatment, conflicting relationships were found between the joined length, the distribution ratio and the excess loss. But with ultrasonic bonding employing instantaneous fusion for one second or less, stable results were obtained in the range where the excess loss is approximately 1 dB or less and the output ratio approximately 1:1.4. In particular, the permanent bonding technique employing ultrasonic energy minimizes the difference in refractive index at the bond surface, and thus is optically satisfactory.

収録刊行物

  • 繊維学会誌

    繊維学会誌 53(1), 39-44, 1997-01-10

    The Society of Fiber Science and Technology, Japan

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各種コード

  • NII論文ID(NAID)
    10002056988
  • NII書誌ID(NCID)
    AN00131651
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00379875
  • NDL 記事登録ID
    4118580
  • NDL 雑誌分類
    ZP33(科学技術--繊維工学・工業)
  • NDL 請求記号
    Z17-189
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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