Demonstration of full polarization control of soft X-ray pulses with Apple X undulators at SwissFEL using recoil ion momentum spectroscopy

open access.

Bibliographische Detailangaben
Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 31(2024), Pt 5 vom: 01. Sept., Seite 1134-1145
1. Verfasser: Kittel, Christoph (VerfasserIn)
Weitere Verfasser: Sarracini, Antoine, Augustin, Sven, Yang, Ningchen, Al Haddad, Andre, Ferrari, Eugenio, Knopp, Gregor, Knurr, Jonas, Morillo-Candas, Ana Sofia, Swiderska, Iwona, Prat, Eduard, Sammut, Nicholas, Schmidt, Thomas, Bostedt, Christoph, Calvi, Marco, Schnorr, Kirsten
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article Apple X COLTRIMS FELs polarization reaction microscope recoil ion momentum spectroscopy soft X-rays undulator
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520 |a The ability to freely control the polarization of X-rays enables measurement techniques relying on circular or linear dichroism, which have become indispensable tools for characterizing the properties of chiral molecules or magnetic structures. Therefore, the demand for polarization control in X-ray free-electron lasers is increasing to enable polarization-sensitive dynamical studies on ultrafast time scales. The soft X-ray branch Athos of SwissFEL was designed with the aim of providing freely adjustable and arbitrary polarization by building its undulator solely from modules of the novel Apple X type. In this paper, the magnetic model of the linear inclined and circular Apple X polarization schemes are studied. The polarization is characterized by measuring the angular electron emission distributions of helium for various polarizations using cold target recoil ion momentum spectroscopy. The generation of fully linear polarized light of arbitrary angle, as well as elliptical polarizations of varying degree, are demonstrated 
650 4 |a Journal Article 
650 4 |a Apple X 
650 4 |a COLTRIMS 
650 4 |a FELs 
650 4 |a polarization 
650 4 |a reaction microscope 
650 4 |a recoil ion momentum spectroscopy 
650 4 |a soft X-rays 
650 4 |a undulator 
700 1 |a Sarracini, Antoine  |e verfasserin  |4 aut 
700 1 |a Augustin, Sven  |e verfasserin  |4 aut 
700 1 |a Yang, Ningchen  |e verfasserin  |4 aut 
700 1 |a Al Haddad, Andre  |e verfasserin  |4 aut 
700 1 |a Ferrari, Eugenio  |e verfasserin  |4 aut 
700 1 |a Knopp, Gregor  |e verfasserin  |4 aut 
700 1 |a Knurr, Jonas  |e verfasserin  |4 aut 
700 1 |a Morillo-Candas, Ana Sofia  |e verfasserin  |4 aut 
700 1 |a Swiderska, Iwona  |e verfasserin  |4 aut 
700 1 |a Prat, Eduard  |e verfasserin  |4 aut 
700 1 |a Sammut, Nicholas  |e verfasserin  |4 aut 
700 1 |a Schmidt, Thomas  |e verfasserin  |4 aut 
700 1 |a Bostedt, Christoph  |e verfasserin  |4 aut 
700 1 |a Calvi, Marco  |e verfasserin  |4 aut 
700 1 |a Schnorr, Kirsten  |e verfasserin  |4 aut 
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