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Dual wavelength digital holography for 3D Particle Image Velocimetry: experimental validation

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A multi-exposure digital in-line hologram of a particle field is recorded by two successive pulses of different wavelengths. During the reconstruction step, each recording can be independently analyzed by selecting a given wavelength. This procedure enables avoiding the superimposition of particle images that may be close to each other.

© 2015 Optical Society of America

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