Detection of pulsed ultrasound on nonspecular surfaces by optical holography

Aharoni, A.; Tur, M.; Jassby, K. M.
November 1987
Applied Physics Letters;11/16/1987, Vol. 51 Issue 20, p1569
Academic Journal
A real-time holographic technique is described for the detection of ultrasound pulses on unpolished surfaces of common engineering materials. Results obtained on a rough aluminum surface offer a detection resolution limit of 0.1 Ã….


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