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000491149 1001_ $$0P:(DE-H253)PIP1026735$$aKhubbutdinov, Ruslan$$b0$$udesy
000491149 1112_ $$a14th International Conference on Synchrotron Radiation Instrumentation$$cHamburg$$d2022-03-28 - 2022-04-01$$g(SRI 2021)$$wGermany
000491149 245__ $$aSoft X-ray grating monochromators as a source of spatial coherence degradation: A wave-optical approach
000491149 260__ $$aBristol$$bIOP Publ.$$c2022
000491149 300__ $$a7
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000491149 520__ $$aWe present wave-optical simulations and a coherence analysis of the photon beam transported through a soft X-ray beamline, paying particular attention to a focusing varied line spacing (VLS) plane grating monochromator (PGM). We show that this beamline optical element used in several soft X-ray beamlines at synchrotron sources and free-electron lasers can cause a non-negligible spatial coherence degradation. We demonstrate that the origin of this effect arises from the coupling between spatial and spectral properties of the photon beam generated by the grating. The latter implies that space and frequency dependencies are not separable after such a dispersive element. It is shown which parameters are essential for this effect and how they are linked to each other.
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000491149 7001_ $$0P:(DE-H253)PIP1023668$$aSeyrich, Martin$$b1$$udesy
000491149 7001_ $$0P:(DE-H253)PIP1019813$$aBagschik, Kai$$b2$$eCorresponding author$$udesy
000491149 773__ $$0PERI:(DE-600)2166409-2$$a10.1088/1742-6596/2380/1/012072$$gVol. 2380, no. 1, p. 012072 -$$n1$$p012072$$tJournal of physics / Conference Series$$v2380$$x1742-6588$$y2022
000491149 7870_ $$0PUBDB-2023-00086$$aLaasch, Wiebke et.al.$$dBristol : IOP, 2022$$iIsParent$$r$$t14th International Conference on Synchrotron Radiation Instrumentation
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