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Figure 1
(a) A simplified CAD model of the spectroscopy endstation. (b) Top view of the endstation. L1 (f = 200 mm) and L2 (f = −100 mm), which reduce the initial laser beam size, and L3 (f = 700 mm) are focusing lenses, M1 and M2 are dielectric mirrors at 400 nm, where M1 is motorized and M2 is inside a four-way cross mirror housing. A vacuum window separates the helium environment with the beamline vacuum which accommodates a photodiode to measure the X-ray flux, and I0 measures the relative incoming X-ray intensity for every X-ray pulse during the pump–probe measurement.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 5| September 2026|
https://doi.org/10.1107/S1600577526006363
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