6533b7d7fe1ef96bd126864e

RESEARCH PRODUCT

Rotational coherence imaging and control for CN molecules through time-frequency resolved coherent anti-Stokes Raman scattering

Mika PetterssonJohan LindgrenEero HulkkoToni Kiljunen

subject

Wave packetvibraatiotilatGeneral Physics and Astronomyrotaatiotilatvapaat radikaalit01 natural sciencesMolecular physicslaw.inventionsymbols.namesakeNuclear magnetic resonancecoherent antiStokes Raman scatteringlaw0103 physical sciencesCoherent anti-Stokes Raman spectroscopyPhysical and Theoretical Chemistry010306 general physicsta116010304 chemical physicsta114rotationla statesChemistryIntermolecular forcekoherentti anti-Stokes Raman spektroskopiaLaserTime–frequency analysisFemtosecondsymbolshiiliyhdisteetcarbon comboundsnumeerinen analyysivibrational statesRaman scatteringCoherence (physics)

description

Numerical wave packet simulations are performed for studying coherent anti-Stokes Raman scattering (CARS) for CN radicals. Electronic coherence is created by femtosecond laser pulses between the X²Σ and B²Σ states. Due to the large energy separation of vibrational states, the wave packets are superpositions of rotational states only. This allows for a specially detailed inspection of the second- and third-order coherences by a two-dimensional imaging approach. We present the time-frequency domain images to illustrate the intra- and intermolecular interferences, and discuss the procedure to rationally control and experimentally detect the interferograms in solid Xe environment. peerReviewed

yearjournalcountryeditionlanguage
2011-01-01The Journal of Chemical Physics
10.1063/1.3665934https://doi.org/10.1063/1.3665934