Toroidal multilayer mirrors for laboratory soft X-ray grazing emission X-ray fluorescence.

Autor:	Baumann J; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Jonas A; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Reusch R; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Szwedowski-Rammert V; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Spanier M; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Grötzsch D; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Bethke K; HU Berlin, Department of Chemistry, 12489 Berlin, Germany., Pollakowski-Herrmann B; Physikalisch-Technische Bundesanstalt (PTB), 10587 Berlin, Germany., Krämer M; AXO DRESDEN GmbH, 01237 Dresden, Germany., Holz T; AXO DRESDEN GmbH, 01237 Dresden, Germany., Dietsch R; AXO DRESDEN GmbH, 01237 Dresden, Germany., Mantouvalou I; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany., Kanngießer B; TU Berlin, Analytical X-ray Physics, 10623 Berlin, Germany.
Jazyk:	angličtina
Zdroj:	The Review of scientific instruments [Rev Sci Instrum] 2020 Jan 01; Vol. 91 (1), pp. 016102.
DOI:	10.1063/1.5130708
Abstrakt:	Efficient soft X-ray spectroscopy in the laboratory is still a challenging task. Here, we report on new toroidal multilayer optics designed and applied with the laser-produced plasma (LPP) source of the Berlin Laboratory for innovative X-ray technologies. The optics are described and characterized, and the application of the updated source to scanning-free grazing emission X-ray fluorescence is demonstrated on thermoelectric gold-doped copper oxide nanofilms. The comparison with synchrotron measurements allows estimating a flux on the sample of approximately 7.5 × 10 9 photons/s in the 1 keV range on a 100 µm × 100 µm spot, emphasizing the suitability of the updated LPP source for the application in photon hungry experiments.
Databáze:	MEDLINE
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