Hyper Rayleigh Scattering
The Hyper Rayleigh Scattering is used to investigate the nonlinear response of (bio-)molecular systems like collagen, DNA bases in a liquid environment.
The HRS signal, and in particular its evolution as a function of excitation and detection polarization, strongly depends on the symmetry of the molecules, as well as their arrangement in space, which makes HRS particularly interesting for probing structures in complex fluids. Information on the molecular structure and symmetry can be obtained by polarization-resolved HRS experiments. (Institut Lumière Matière, Lyon)