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The ultrafast photodissociation dynamics of gas phase CH3Br molecules in the red wing of the A-band, i.e. the first molecular adsorption continuum, is investigated by pump–probe spectroscopy. The experiment employs femtosecond laser pulses at 266nm in the ultraviolet to dissociate the molecule and high order harmonic extreme ultraviolet pulses in conjunction with time-of-flight mass spectrometry to...
Femtosecond high-order harmonic transient absorption spectroscopy is used to observe electromagnetically induced transparency-like behavior as well as induced absorption in the extreme ultraviolet by laser dressing of the He 2s2p ( 1 P o ) and 2p 2 ( 1 S e ) double excitation states with an intense 800nm field. Probing in the vicinity of the 1s 2 →2s2p...
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