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Conferences > LAOP > 2012 > LM2A > LM2A.6

Photorefractive holography for 2D mechanical vibrations measurement

Ivan de Oliveira and Jaime Frejlich

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Abstract

We report an efficient holographic setup for the real time measurement of 2D mechanical vibration modes in surfaces, based on the time-average holographic interferometry technique using a low power red laser for illumination and a photorefractive titanosillenite crystal as sensing elements. The instrument performance is highly improved by using self stabilization holographic recording techniques.

© 2012 Optical Society of America

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