Rotational coherence imaging and control for CN molecules through time-frequency resolved coherent anti-Stokes Raman scattering.
作者： Johan Lindgren , Eero Hulkko , Mika Pettersson , Toni Kiljunen
DOI: 10.1063/1.3665934
关键词: Wave packet 、 Raman scattering 、 Coherent anti-Stokes Raman spectroscopy 、 Laser 、 Intermolecular force 、 Chemistry 、 Time–frequency analysis 、 Nuclear magnetic resonance 、 Coherence (physics) 、 Femtosecond 、 Molecular physics
摘要: Numerical wave packet simulations are performed for studying coherent anti-Stokes Raman scattering (CARS) CN radicals. Electronic coherence is created by femtosecond laser pulses between the X 2Σ and B 2Σ states. Due to large energy separation of vibrational states, packets superpositions rotational states only. This allows a specially detailed inspection second- third-order coherences two-dimensional imaging approach. We present time-frequency domain images illustrate intra- intermolecular interferences, discuss procedure rationally control experimentally detect interferograms in solid Xe environment.
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