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Figure 5
(a) Sketch of the mini split–delay setup incorporated inside the DiProI end-station. (b) Photograph of the setup: the edge of the mirror M0 is used as a beam splitter and the two half-beams are recombined at the sample plane with an angle of about 6° by the mirrors M1 and M2. (c) FEL-induced reflectivity drop of SiO2, measured by pumping either with the upper-branch FEL pulse (green) or with the lower-branch FEL pulse (blue), the upper pulse arriving about 450 fs before the lower one. (d) Same as (c), with upper and lower pulses arriving simultaneously.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 22| Part 3| May 2015| Pages 544-552
https://doi.org/10.1107/S1600577515004919
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