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The spectra measured for for selected detunings. (a) and (b) . The spectra are shifted for clarity. The vertical dashed line corresponds to the resonant CARS photon energy expected from the transition. Insets show corresponding energy level diagram for the CARS process.
The spectra predicted using Eq. (3) for the detunings presented in Fig. 1. (a) and (b) . The spectra are shifted for clarity.
(a) spectra at different negative delays . (b) spectra at different positive delays . Insets show the corresponding sequence of the arrival of two pump beams and Stokes beam. All spectra are taken at (nearly below the resonance).
CARS spectra of the oxygen vibrational transition . Circles are experimental points for with the dashed line representing the theoretical fit from Eq. (3). Squares are experimental points for and the solid line is the theoretical fit from Eq. (3) with .
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