Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/4674
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dc.contributor.authorDhamija, Shaina-
dc.contributor.authorBhutani, Garima-
dc.contributor.authorJayachandran, Ajay-
dc.date.accessioned2023-08-14T07:02:01Z-
dc.date.available2023-08-14T07:02:01Z-
dc.date.issued2022-
dc.identifier.citationJournal of Physical Chemistry A, 126(7), 1019-1032en_US
dc.identifier.urihttps://doi.org/10.1021/acs.jpca.1c10566-
dc.identifier.urihttp://hdl.handle.net/123456789/4674-
dc.descriptionOnly IISERM authors are available in the recorden_US
dc.description.abstractThe usefulness of a chirped broadband probe and spectral dispersion to obtain Raman spectra under nonresonant/resonant impulsive excitation is revisited. A general methodology is presented that inherently takes care of phasing the time-domain low-frequency oscillations without probe pulse compression and retrieves the absolute phase of the oscillations. As test beds, neat solvents (CCl4, CHCl3, and CH2Cl2) are used. Observation of periodic intensity modulation along detection wavelengths for particular modes is explained using a simple electric field interaction picture. This method is extended to diatomic molecule (iodine) and polyatomic molecules (Nile blue and methylene blue) to assign vibrational frequencies in ground/excited electronic state that are supported by density functional theory calculations. A comparison between frequency-domain and time-domain counterparts, i.e., stimulated Raman scattering and impulsive stimulated Raman scattering using degenerate pump–probe pairs is presented, and most importantly, it is shown how impulsive stimulated Raman scattering using chirped broadband probe retains unique advantages offered by both.en_US
dc.language.isoen_USen_US
dc.publisherACS Publicationsen_US
dc.subjectProbesen_US
dc.subjectSensorsen_US
dc.subjectQuantum mechanicsen_US
dc.titleA Revisit on Impulsive Stimulated Raman Spectroscopy: Importance of Spectral Dispersion of Chirped Broadband Probeen_US
dc.typeArticleen_US
Appears in Collections:Research Articles

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