Minimization of finite beam effects in the determination of reflection and transmission coefficients of an elastic layer

J. Jocker, D.M.J. Smeulders

    Research output: Contribution to journalArticleAcademicpeer-review

    17 Citations (Scopus)

    Abstract

    A special data acquisition technique was applied to determine the acoustic plane-wave reflection and transmission properties of a plane-parallel aluminum plate. In this technique, the reflected and transmitted wavefield along a plane or line normal to the reflected or transmitted wave vector is recorded at equidistant receiver positions. The obtained traces are subsequently added up in the temporal domain to satisfy plane-wave conditions, thus effectively removing the effect of the limited beam of commonly used transducers. The agreement between plane-wave theory and experiment was found to be excellent, both in the temporal and in the frequency domain.
    Original languageEnglish
    Pages (from-to)42-50
    Number of pages9
    JournalUltrasonics
    Volume46
    Issue number1
    DOIs
    Publication statusPublished - 2007

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