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Video-rate laser Doppler vibrometry by heterodyne holography

Benjamin Samson, Frédéric Verpillat, Michel Gross, and Michael Atlan

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Abstract

We report a demonstration video-rate heterodyne holography in off-axis configuration. Reconstruction and display of a one megapixel hologram is achieved at 24 frames per second, with a graphics processing unit. Our claims are validated with real-time screening of steady-state vibration amplitudes in a wide-field, noncontact vibrometry experiment.

© 2011 Optical Society of America

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Supplementary Material (4)

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Media 2: AVI (8206 KB)     
Media 3: AVI (8220 KB)     
Media 4: AVI (1419 KB)     

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