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  • July 16, 2015
    Breakthrough: First isolated attosecond light pulses in the Arab World

    team — Research into ultrashort light pulses has picked up speed at the Attosecond Science Laboratory (ASL) in Riyadh. A team of German-Saudi Arabian physicists led by Ferenc Krausz and Abdallah Azzeer has produced isolated attosecond pulses – the very first time this has been achieved in the Arab World. Attosecond-long light flashes are used for »taking photographs« of electrons. The team plans to observe the dynamics of electrons in molecules on an attosecond scale in order to examine molecular processes in photoemission. During photoemission, electrons can be knocked out of atoms by photons (i.e. by light). This process is a major cause of damage to living cells. Increased knowledge about photoemission is thus crucial – not only for physics, but also for medicine. Picture: Wolfgang Schweinberger