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Differential interferometry with a complex contrast

Abstract : We present a new design of the Nomarski interferometer, which can measure displacements of several microns, with a resolution better than 10(-13) m/rootHz. In the standard design this sensitivity can be achieved only within a 100 nm displacement range. One main advantage of this new set-up of the interferometer is the total independence of the measure sensitivity on the interferometer thermal drifts.
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Contributor : Ludovic Bellon Connect in order to contact the contributor
Submitted on : Tuesday, October 16, 2007 - 4:14:02 PM
Last modification on : Monday, November 30, 2020 - 12:24:01 PM

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Ludovic Bellon, Sergio Ciliberto, Hatem Boubaker, Laurent Guyon. Differential interferometry with a complex contrast. Optics Communications, Elsevier, 2002, pp.49-56. ⟨10.1016/S0030-4018(02)01475-X⟩. ⟨ensl-00179781⟩



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