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| Figure 1: Experimental set-up. The 800 nm laser beam is focused into the HHG cell with a long focal length, free to move lens, generating EUV light through HHG. The 800 nm light is removed by a combination of Si wafer and Al filter. For this study the EUV light is spectrally dispersed onto the detector while for pumpprobe studies, a sample (photoexcited by a fraction of the IR pulse) would reside at the focus of the toroidal mirror. The efficiency and stability of the EUV can be monitored on an oscilloscope. |
