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| Experimental setup for attosecond-pump attosecond-probe spectroscopy. NIR pulses are focused behind a pulsed gas jet, where attosecond pulses are generated. At some distance from the gas jet, spherical half-mirrors are used to spectrally select and focus the attosecond pump and the probe pulses. The generated ions are recorded using a velocity-map imaging spectrometer. Credit: MBI. |
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