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公开(公告)号:US4512661A
公开(公告)日:1985-04-23
申请号:US414237
申请日:1982-09-02
申请人: Richard O. Claus , Tyson M. Turner
发明人: Richard O. Claus , Tyson M. Turner
CPC分类号: G01H9/00
摘要: A dual two-beam differential interferometer that measures both the amplitude and orientation of propagating, broadband surface acoustic waves. Four beams are focused on a surface. The four reflected beams are separated into two pairs. The two pairs are detected to produce two signals that are used to compute amplitude and orientation.
摘要翻译: 双光束差分干涉仪,用于测量传播宽带表面声波的振幅和方向。 四个光束聚焦在表面上。 四个反射光束被分成两对。 检测到两对以产生用于计算幅度和取向的两个信号。