SHG techniques to investigate the surface and the bulk of aqueous solutions

A. Maurice; Q. Ma; F. Canto; L. Couston; O. Diat; E. Benichou; P. F. Brevet

doi:10.1117/12.2197857

20 August 2015 SHG techniques to investigate the surface and the bulk of aqueous solutions

A. Maurice, Q. Ma, F. Canto, L. Couston, O. Diat, E. Benichou, P. F. Brevet

Proceedings Volume 9549, Physical Chemistry of Interfaces and Nanomaterials XIV; 95490Z (2015) https://doi.org/10.1117/12.2197857
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

Second Harmonic Generation (SHG) a nonlinear optical process sensitive to medium structure deviation from centrosymmetry has been used to investigate the bulk and the surface of an aqueous phase. Using the combination of incoherent SHG, also named Hyper Rayleigh Scattering (HRS), and interface coherent SHG, we have investigated the neat air-water interface. In this paper, we report an analysis where the experimental conditions have been investigated to have the best contrast between the surface and the volume contributions. Our data are described within a simple model allowing us to normalize the surface contribution to the volume one.

Citation Download Citation

A. Maurice, Q. Ma, F. Canto, L. Couston, O. Diat, E. Benichou, and P. F. Brevet "SHG techniques to investigate the surface and the bulk of aqueous solutions", Proc. SPIE 9549, Physical Chemistry of Interfaces and Nanomaterials XIV, 95490Z (20 August 2015); https://doi.org/10.1117/12.2197857

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