ソニック結晶導波路の数値シミュレーションと実験
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概要
- 論文の詳細を見る
我々は、光・電磁波の領域で研究されているフォトニック結晶と波長オーダーの曲がりを含む導波路を、音響分野においても実現すること、さらにそれらの波動計測・制御デバイスへの応用を目指して、ソニック結晶(音響人工結晶)の解析ならびに実験的検証を進めている。この報告では、音響場と電磁界の対応関係に注目して、空気ホスト中GaAs散乱体のフォトニック結晶と同類に分類される流体的固体ホスト中の流体散乱体と、それと対照的な流体ホスト中固体散乱体のソニック結晶のフル・バンドギャップの存在と音波の導波姿態を数値解析的に求めると共に、後者のソニック結晶としての特性を実測し、さらに直角曲がり導波路においても音波がよく閉じ込められ導波されている実験的事実を示す。
- 社団法人電子情報通信学会の論文
- 2001-06-13
著者
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