Abstract
We have developed a new technique for efficient suppression of the nonresonant background in coherent anti-Stokes Raman scattering (CARS). The advantage of this technique, which is based upon phase-controlled superposition of an appropriately selected reference signal, is presented in theory and demonstrated experimentally by the example of the S(3) (pure rotational) transition of molecular hydrogen.
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Marowsky, G., Lüpke, G. CARS-Background suppression by phase-controlled nonlinear interferometry. Appl. Phys. B 51, 49–51 (1990). https://doi.org/10.1007/BF00332324
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DOI: https://doi.org/10.1007/BF00332324