Non-contact optical fibre phased array generation of ultrasound for non-destructive evaluation of materials and processes
學年 82
學期 1
出版（發表）日期 1993-11-01
作品名稱 Non-contact optical fibre phased array generation of ultrasound for non-destructive evaluation of materials and processes
作品名稱（其他語言）
著者 楊智旭; Yang, J.; DeRidder, N.; Ume, C.; Jarzynski, J.
單位 淡江大學機械與機電工程學系
出版者 Elsevier
著錄名稱、卷期、頁數 Ultrasonics 31(6), pp.387-394
摘要 The use of non-contact laser techniques for the generation of ultrasound has extended the limits of the application of traditional ultrasonic techniques. This paper focusses on the use of one such non-contact laser technique, known as ‘optical fibre array’, to generate shear and surface waves. The shear wave experimental directivity pattern results are presented and compared with the theoretical results of a single source and an array source. The experimental directivity results for the surface wave are also presented, and compared with the theoretical results. The data show that the array enhances signal generation in the forward direction for both shear and surface waves. The array gain is also discussed. The receiver for the directivity measurements was a contact piezoelectric transducer.
關鍵字
語言 en
ISSN 0041-624X
期刊性質 國外
收錄於
產學合作
通訊作者
審稿制度 否
國別 NLD
公開徵稿
出版型式 ,紙本
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