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Updated: Aug 8, 2026

Direct Comparison of Hyperspectral Stimulated Raman Scattering and Coherent Anti-Stokes Raman Scattering Microscopy for Chemical Imaging
Published on: April 28, 2022
Combined coherent anti-Stokes Raman spectroscopy and linear Raman spectroscopy for simultaneous temperature and
Markus C Weikl1, Frank Beyrau, Johannes Kiefer
1Lehrstuhl für Technische Thermodunamik, Universität Erlangen-Nürnberg, Am Weichselgarten 8, D-91058 Erlangern, Germany. mw@ltt.uni-erlangen.de
Abstract:
The simultaneous application of pure rotational coherent anti-Stokes Raman spectroscopy (CARS) and vibrational linear Raman spectroscopy (LRS) for the measurement of temperature and species concentrations in combustion systems is demonstrated. In addition to the standard rotational CARS experimental setup, only one detection system (spectrometer and intensified CCD camera) for the collection of the LRS signals was applied. The emission of the broadband dye laser used for CARS was shifted to the deep red to avoid interferences with the LRS signals located in the visible region. First experimental results from a vaporizing propane spray using an engine injection system are shown.
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