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Video-rate laser Doppler vibrometry by heterodyne holography

Abstract : We report a demonstration video-rate heterodyne holography in off-axis configuration. Reconstruction and display of 1 Megapixel holograms 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, non-contact vibrometry experiment.
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Submitted on : Friday, March 18, 2011 - 10:42:19 AM
Last modification on : Friday, August 5, 2022 - 10:41:44 AM
Long-term archiving on: : Sunday, June 19, 2011 - 2:37:21 AM



Benjamin Samson, Frédéric Verpillat, Michel Gross, Michael Atlan. Video-rate laser Doppler vibrometry by heterodyne holography. Optics Letters, Optical Society of America - OSA Publishing, 2011, 36 (8), pp.1449. ⟨10.1364/OL.36.001449⟩. ⟨hal-00578035⟩



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