Influence of the Raman depolarisation ratio on far-field radiation patterns in coherent anti-Stokes Raman scattering (CARS) microscopy

D. Gachet (1) , N. Sandeau (1) , H. Rigneault (1)

1 FRESNEL - Institut FRESNEL

We propose a full-vectorial numerical study of far field radiation patterns in coherent anti-Stokes Raman scattering (CARS) microscopy. We emphasis the particular role of the Raman depolarisation ratio of the observed medium and show how it modifies the radiation pattern of thin objects.

Mots clés: CARS; coherent microscopy; CARS electromagnetics modelling

Domaines: Physique Générale [physics.gen-ph]; Physique Classique [physics.class-ph]; Optique [physics.optics]; Biophysique [physics.bio-ph]

D. Gachet, N. Sandeau, H. Rigneault. Influence of the Raman depolarisation ratio on far-field radiation patterns in coherent anti-Stokes Raman scattering (CARS) microscopy. Journal of the European Optical Society : Rapid publications, 2006, 1, pp.06013. ⟨hal-00093144⟩