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Optimization of a dedicated bio-imaging beamline at the European X-ray FEL by Geloni, Gianluca; Kocharyan, Vitali; Saldin, Evgeni is a scholarly article available to read on EtoBox.

What is Optimization of a dedicated bio-imaging beamline at the European X-ray FEL about?

We recently proposed a basic concept for design and layout of the undulator source for a dedicated bio-imaging beamline at the European XFEL. The goal of the optimized scheme proposed here is to enable experimental simplification and performance improvement. The core of the scheme is composed by soft and hard X-ray self-seeding setups. Based on the use of an improved design for both monochromators it is possible to increase the design electron energy up to 17.5 GeV in photon energy range between 2 keV and 13 keV, which is the most preferable for life science experiments. An advantage of operating at such high electron energy is the increase of the X-ray output peak power. Another advantage is that 17.5 GeV is the preferred operation energy for SASE1 and SASE2 beamline users. Since it will be necessary to run all the XFEL lines at the same electron energy, this choice will reduce the interference with other undulator lines and increase the total amount of scheduled beam time. In this work we also propose a study of the performance of the self-seeding scheme accounting for spatiotemporal coupling caused by the use of a single crystal monochromator. Our analysis indicates that this di

Author

Geloni, Gianluca; Kocharyan, Vitali; Saldin, Evgeni

Published

2012

Language

EN