When the beam from a laser vibration interferometer is optically raster scanned over a vibrating surface, a phase-sensitive detector provides velocity information at any phase of the motion. These data are digitally processed and a hard copy print gives a three-dimensional isometric view of the complete vibrating surface of the test object frozen in time.

Authors: Bank, Graham; Hathaway, Gordon T.
Affiliation: Rola Celestion Ltd., Ipswich, Suffolk, United Kingdom
JAES Volume 29 Issue 5 pp. 314-319; May 1981
Publication Date: May 1, 1981 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=3913

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