並列タイトル等ヒカリ オンキョウ シンゴウ ト ハンシャ ヒカリ シンゴウ ノ ドウジ ソクテイ ニヨル ナイブ ケッカン ケンシュツ ニ カンスル ケンキュウ
Study on internal defective detection by simultaneous measurement of photoacoustic and reflected light signals
タイトル(掲載誌)愛知工業大学研究報告. B, 専門関係論文集 = Bulletin of Aichi Institute of Technology. Part B
一般注記Using a photoacoustic effect,a nor-destructive and non-contact detection has been studied. In an earlier study,it has been seen that the sensitivity of the internal defective detection fall off due to surface condition. In order to improve the sensitivity,it was tried to compensate photoacoustic signal using reflected light. After relation between photoacoustic and reflected light signals was researched,an equation for compensation was led. To get total amount of reflected light in the equation,an angular distribution of reflected light was examined,and the number of photo diode necessary to compensate the photoacoustic signal was determined. Simultaneously measuring photoacoustic and reflected light signals,i nternal defect of aluminum sample was measured. As a result of compensation,it is possible to improve the sensitivity of internal defective detection.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/1293
一次資料へのリンクURLhttp://repository.aitech.ac.jp/dspace/bitstream/11133/1293/1/%e7%b4%80%e8%a6%8141%e5%8f%b7B%28P27-32%29.pdf
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)