Opportunities for Two-Color Experiments in the Soft X-ray Regime at the European XFEL

被引：32

作者：

Serkez, Svitozar ^{[1
]}

Decking, Winfried ^{[2
]}

Froehlich, Lars ^{[2
]}

Gerasimova, Natalia ^{[1
]}

Gruenert, Jan ^{[1
]}

Guetg, Marc ^{[2
]}

Huttula, Marko ^{[3
]}

Karabekyan, Suren ^{[1
]}

Koch, Andreas ^{[1
]}

Kocharyan, Vitali ^{[2
]}

Kot, Yauhen ^{[2
]}

Kukk, Edwin ^{[4
]}

Laksman, Joakim ^{[1
]}

Lytaev, Pavel ^{[1
]}

Maltezopoulos, Theophilos ^{[1
]}

Mazza, Tommaso ^{[1
]}

Meyer, Michael ^{[1
]}

Saldin, Evgeni ^{[2
]}

Schneidmiller, Evgeny ^{[2
]}

Scholz, Matthias ^{[2
]}

Tomin, Sergey ^{[1
,2
]}

Vannoni, Maurizio ^{[1
]}

Wohlenberg, Torsten ^{[2
]}

Yurkov, Mikhail ^{[2
]}

Zagorodnov, Igor ^{[2
]}

Geloni, Gianluca ^{[1
]}

机构：

[1] European XFEL, Holzkoppel 4, D-22869 Schenefeld, Germany

[2] DESY, Notkestr 85, D-22607 Hamburg, Germany

[3] Univ Oulu, Nano & Mol Syst Res Unit, POB 3000, FI-90014 Oulu, Finland

[4] Univ Turku, Dept Phys & Astron, FI-20014 Turun, Finland

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 08期

基金：

芬兰科学院;

关键词：

X-ray free electron laser; two-color lasing; X-ray pump; X-ray probe; time-resolved spectroscopy; site-selectivity excitation; OPERATION; PROBE;

D O I：

10.3390/app10082728

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

X-ray pump/X-ray probe applications are made possible at X-ray Free Electron Laser (XFEL) facilities by generating two X-ray pulses with different wavelengths and controllable temporal delay. In order to enable this capability at the European XFEL, an upgrade project to equip the soft X-ray SASE3 beamline with a magnetic chicane is underway. In the present paper we describe the status of the project, its scientific focus and expected performance, including start-to-end simulations of the photon beam transport up to the sample, as well as recent experimental results demonstrating two-color lasing at photon energies of 805 eV + 835 eV and 910 eV + 950 eV. Additionally, we discuss methods to analyze the spectral properties and the intensity of the generated radiation to provide on-line diagnostics for future user experiments.

引用

页数：20

共 36 条

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