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Conferences > ISA > 2017 > ITu3E > ITu3E.4

Phase-resolved heterodyne shearographic vibrometer for simultaneous observations of out of plane velocity and displacement gradients

James Perea and George Nehmetallah

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Abstract

A phase-resolved heterodyne shearographic vibrometer is under development for observations of transient surface motion. The sensor utilizes frequency and polarization multiplexing with two temporal carrier frequencies to separate each segment of a shearing Mach-Zehnder interferometer.

© 2017 Optical Society of America

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