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Continuous monitoring of a surface slope by real-time shearing interferometry with a photorefractive crystal
Gilles Pauliat1, Gérald Roosen
1Laboratoire Charles Fabry de l'Institut d'Optique, de l'Université Paris-Sud, Bâtiment 503, Centre Scientifique d'Orsay, F-91403 Orsay, France. gilles.pauliat@iota.u-psud.fr
Applied Optics
|March 4, 2006
Abstract:
We propose and demonstrate a new technique for measuring the temporal variations of the surface slope of an object. This real-time shearometric arrangement takes advantage of the dynamic properties of holograms in photorefractive crystals. The accuracy of the measurements should make this technique suitable for real-time structural intensity determinations.
