Optical probing of the mechanical impulse response of a transducer

Royer, D.; Dieulesaint, E.
October 1986
Applied Physics Letters;10/27/1986, Vol. 49 Issue 17, p1056
Academic Journal
The mechanical impulse response of a piezoelectric transducer has been plotted by using an optical interferometric heterodyne probe. The sensitivity of this Mach–Zehnder type probe is better than 10-4 Å/(Hz)1/2. Transient displacements of a few angstroms have been detected in a single sweep with a 20-MHz bandwidth.


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