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Figure 5
Results observed in a demonstration shot of the high-intensity laser with a power of 200 TW focused on a 20 µm-thick Cu foil. (a) X-ray spectrum showing the emission of Cu Kα and Kβ X-rays. (b) Electron energy spectrum (dots) with an exponential fit showing the slope temperature of 0.6 MeV (dashed line).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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