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. 2019 Aug 6;10:3535. doi: 10.1038/s41467-019-11492-3

Fig. 2.

Fig. 2

XUV monochromator. a Schematic of XUV monochromator in our setup. M1 and M2 refer to the collimating and focusing toroidal gold mirrors with respect to the grating G. b Optical layout inside the XUV monochromator. Three gratings with different groove density and blaze angle are placed inside the monochromator. A sliding mechanism inside the vacuum provides easy access to select the active grating, highlighted in yellow. c Light diffraction by an off-plane mounted (active) grating that forms cones with half-angle 5°