Presentation
10 March 2020 Alignment-free frequency modulation stimulated Raman scattering microscopy (Conference Presentation)
Author Affiliations +
Abstract
Stimulated Raman Scattering (SRS) microscopy is a powerful method for imaging molecular distributions based on their intrinsic vibrational contrast. However, SRS is hindered by a parasitic background signal which often overpowers the signal in low-signal applications. Frequency modulation (FM) has been used to suppress this parasitic background. However, many FM-SRS methods require the addition of multiple optomechanical components and extensive realignment. We report a new approach for alignment-free FM-SRS. In conjunction with a parabolically amplified Stokes pulse, we demonstrate near complete background suppression and also utilize the technique to increase the contrast of minority species in heterogeneous biological samples.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrew Hill "Alignment-free frequency modulation stimulated Raman scattering microscopy (Conference Presentation)", Proc. SPIE 11252, Advanced Chemical Microscopy for Life Science and Translational Medicine, 112520U (10 March 2020); https://doi.org/10.1117/12.2546806
Advertisement
Advertisement
KEYWORDS
Microscopy

Frequency modulation

Raman scattering

Blood

Brain

Fermium

Molecules

Back to Top