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Figure 1
Tests of the stability and reproducibility of the GILDA optics. The top panel reports the near-edge absorption spectra of a GaAs sample recorded every 20 min; the good data reproducibility is better evidenced in the lower panel plots reporting their derivatives. The edge position is reproduced within ±0.5 eV at 11.867 keV giving an energy reproducibility better than 10−4.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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