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We report the simultaneous retrieval of multiple bond lengths of the polyatomic molecule C2H2 by coherent “self-electron” wave packets generated by the interaction of the molecular target with intense mid-IR laser pulses [1].
We experimentally optimize the yield of attosecond XUV pulses, with pulse duration inferred from carrier-envelope-phase resolved spectral measurements. We also demonstrate generation of dual attosecond pulses with timing resolution of 90 zeptoseconds.
We present the measured photoionization yield of atomic hydrogen as a function of laser intensity for few-cycle pulses. Fits with exact ab-initio simulations produce better agreement than analytical theories and enable accurate intensity calibration.
We present an interferometer using XUV radiation generated in two spatially separated argon gas jets. We demonstrate how the interferometer may be used to provide a time delay for pump-probe experiments in the zeptosecond regime.
We have performed the first strong-field ionization experiment in atomic hydrogen using few-cycle laser pulses. Quantitative agreement between experimental data and advanced ab initio simulations has been achieved at the 10% level.
We have observed carrier-envelope phase effects in the ionisation of atomic hydrogen exposed to an intense few-cycle laser pulse. Experimental data show good agreement with an advanced ab initio time dependent Schrodinger equation simulation.
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