Nearly degenerate two-color impulsive coherent Raman hyperspectral imaging - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Optics Letters Année : 2022

Nearly degenerate two-color impulsive coherent Raman hyperspectral imaging

Résumé

Impulsive stimulated Raman scattering (ISRS) is a robust technique for studying low frequency (<300 cm −1 ) Raman vibrational modes, but ISRS has faced difficulty in translation to an imaging modality. A primary challenge is the separation of the pump and probe pulses. Here we introduce and demonstrate a simple strategy for ISRS spectroscopy and hyperspectral imaging that uses complementary steep edge spectral filters to separate the probe beam detection from the pump and enables simple ISRS microscopy with a single-color ultrafast laser source. ISRS spectra are obtained that span from the fingerprint region down to <50 cm −1 vibrational modes. Hyperspectral imaging and polarization-dependent Raman spectra are also demonstrated.
Fichier non déposé

Dates et versions

hal-03846035 , version 1 (09-11-2022)

Identifiants

Citer

David Smith, Siddarth Shivkumar, Jeff Field, Jesse Wilson, Hervé Rigneault, et al.. Nearly degenerate two-color impulsive coherent Raman hyperspectral imaging. Optics Letters, 2022, 47 (22), pp.5841. ⟨10.1364/OL.467970⟩. ⟨hal-03846035⟩
35 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More