Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 44, Issue 22, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/44/22/225601
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- Deutsche Forschungsgemeinschaft [Sonderforschungsbereich 652]
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We investigate the interaction of strong laser fields up to 10(16) W cm(-2) with xenon clusters embedded in helium nanodroplets by applying the technique of coloured double-pulse fitness landscapes. By systematically scanning the double-pulse parameters relevant for the laser-cluster interaction, optimal conditions for the production of highly charged ions were found at specific pulse separation and intensity ratio settings. Surprisingly, for higher pulse energies and effective ionization conditions, more intense leading pulses are favoured in contrast to the common belief that absorption mainly proceeds via resonant energy capture by the postpulses. The characteristics of the optimal double pulses open a possible route towards a more elaborate understanding of optimal control experiments on clusters.
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