{"created":"2023-07-25T10:23:28.521010+00:00","id":3134,"links":{},"metadata":{"_buckets":{"deposit":"64368c7e-3e73-4689-90ad-9ed49a83e8b1"},"_deposit":{"created_by":15,"id":"3134","owners":[15],"pid":{"revision_id":0,"type":"depid","value":"3134"},"status":"published"},"_oai":{"id":"oai:air.repo.nii.ac.jp:00003134","sets":["590:629:630"]},"author_link":["10966","10967","10965","10968"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2015","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"5","bibliographicPageEnd":"420","bibliographicPageStart":"416","bibliographicVolumeNumber":"54","bibliographic_titles":[{"bibliographic_title":"日本画像学会誌"}]}]},"item_10001_description_5":{"attribute_name":"内容記述（抄録）","attribute_value_mlt":[{"subitem_description":"固体中に超音波を送波した場合の音場を観測し，非破壊検査へ役立てることを目的に，ガラス中に1MHz程度のバースト正弦波の超音波を送波し，ストロボ光弾性法および鋭敏色法により音場の可視化を行った．CMOSカメラにより撮影した画像には積分，差分および正規化処理を施し，超音波波面の高コントラスト化を行った．この結果，ガラス中における超音波波面の伝搬の時間推移および複屈折による光路差の変化がストロボ光の色の変化として現れ，音圧の極性に対応していることが明らかになった．すなわち，ストロボ光弾性法に鋭敏色法を導入することにより音圧の正負がそれぞれ赤色と緑色で表示され，これらが伝搬する様子が観測された．また，本法によれば低電圧駆動時でも音場を高感度に可視化できることを示した．","subitem_description_type":"Other"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"The 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Method","subitem_title_language":"en"}]},"item_type_id":"10001","owner":"15","path":["630"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-03-23"},"publish_date":"2018-03-23","publish_status":"0","recid":"3134","relation_version_is_last":true,"title":["鋭敏色法による固体中を伝搬する超音波伝搬の可視化"],"weko_creator_id":"15","weko_shared_id":-1},"updated":"2023-07-25T11:26:21.929731+00:00"}