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Article Dans Une Revue Measurement Science and Technology Année : 2017

Real-time single analog output for quadrature phase interferometry

Résumé

We present a dynamic displacement sensor based on a quadrature phase interferometer, providing a real-time analog output of the differential displacement between two mobile surfaces. The sensor offers a sub-picometer resolution with a sensitivity essentially uniform over a distance range extending to several micrometers, and can be used to measure the amplitude and phase of very small oscillations in nano-mechanical testing. We demonstrate its use in nano-rheology, by studying the flow in nanometric liquid films at very small strain rates.
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Dates et versions

hal-01581983 , version 1 (05-09-2017)

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Chloé Barraud, Léo Garcia, Benjamin Cross, Elisabeth Charlaix. Real-time single analog output for quadrature phase interferometry. Measurement Science and Technology, 2017, 28 (4), ⟨10.1088/1361-6501/28/4/045103⟩. ⟨hal-01581983⟩

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