The selective dissociation of SF6 in an intense ir field: A molecular beam study on the influence of laser wavelength and energy

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Abstract
We report the results of a molecular beam study on the energy fluence and wavelength dependence of the dissociation probability of SF6. We find surprisingly high values at power densities which rule out an essential contribution of power broadening but rather stress the importance of efficient absorption in the lower levels. No loss of isotopic selectivity is observed for power densities up to 108 W/cm2 in the P (20) line at 944.2 cm−1.