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An original method to determine complex refractive index of liquids by spectroscopic ellipsometry and illustrated applications

Abstract : We present a method to characterize optical properties of liquids by spectroscopic ellipsometry. The experiments use a specific liquid cell that avoids disturbance of waves at air-liquid interface and allows the determination of the real and the imaginary part of the refractive index, with a sensitivity of the latter below 10−4. The method is illustrated by results obtained with a spectroscopic phase modulation ellipsometer on several liquids such as deionised water, microscope oil and protein solution. Comparisons of the method with standard techniques are given.
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https://hal.univ-lorraine.fr/hal-02899469
Contributor : Yann Battie <>
Submitted on : Wednesday, July 15, 2020 - 11:19:15 AM
Last modification on : Thursday, January 7, 2021 - 12:15:32 PM

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M. Stchakovsky, Y. Battie, A. En Naciri. An original method to determine complex refractive index of liquids by spectroscopic ellipsometry and illustrated applications. Applied Surface Science, Elsevier, 2017, 421, pp.802-806. ⟨10.1016/j.apsusc.2016.12.001⟩. ⟨hal-02899469⟩

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