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Figure 5
Conversion functions representing the relation between the time-of-flight and the kinetic energy of the electrons. Three different curves for retardation voltages 0 V, 25 V and 50 V are shown as an example. The curves have been calculated by means of the least-squares fit procedure using the experimental values (circles) measured with different rare gases (Ne, Ar, Kr, Xe) at different wavelength as input data. The shaded areas highlight the range of about 0 eV to 40 eV of the final kinetic energy after deceleration, which is most suited for wavelength determination. The overlapping intervals together with the variety of rare gas electron orbitals constitute a sufficient tool kit for measurements in the complete FLASH wavelength range.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 1| January 2016| Pages 10-20
doi:10.1107/S1600577515022675
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