Abstract
In this paper, we theoretically investigate how spectral pulse shapes, group delays, and group delay dispersions of an input ultrashort-pulse laser affect single-beam stimulated Raman scattering (SRS) signals. We use π-step and π-barrier phase shaping to retrieve correct vibrational modes and remove the background by subtracting the same phase-shaping schemes but with reverse phase variation. Our results indicate that the group delay does not have any effect on the SRS signals; in addition, we obtained the conditions for ignoring the group delay dispersion effect. Our results also show that the π-barrier phase does not have a reverse relation with the π-well, but it does have to be shifted slightly in order to retrieve correct, enhanced vibrational SRS signals.
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Sohn, BU., Lee, I., Park, C.W. et al. Effect of group delay dispersion on single-pulse stimulated Raman scattering. Journal of the Korean Physical Society 66, 1827–1832 (2015). https://doi.org/10.3938/jkps.66.1827
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DOI: https://doi.org/10.3938/jkps.66.1827