Journal Article

PUBDB-2022-03988

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Towards perfectly linearly polarized x-rays

Schulze, K. S. (Corresponding author)Extern*XFEL.EU* ; Grabiger, B.Extern* ; Loetzsch, R.Extern*XFEL.EU* ; Marx-Glowna, B.XFEL.EU* ; Schmitt, A. T.Extern* ; Garcia, A. L. ; Hippler, W.Extern*XFEL.EU* ; Huang, L.Extern*XFEL.EU* ; Karbstein, F.Extern*XFEL.EU* ; Konôpková, Z.XFEL.EU* ; Schlenvoigt, H.-P.Extern*XFEL.EU* ; Schwinkendorf, J.-P.Extern*XFEL.EU*DESY* ; Strohm, C.XFEL.EU*DESY* ; Toncian, T.XFEL.EU* ; Uschmann, I.Extern* ; Wille, H.-C.XFEL.EU*DESY* ; Zastrau, U.XFEL.EU* ; Röhlsberger, R.Extern*XFEL.EU*DESY* ; Stöhlker, T.Extern* ; Cowan, T.Extern*XFEL.EU* ; Paulus, G. G.Extern*

2022
APS College Park, MD

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Please use a persistent id in citations: doi:10.1103/PhysRevResearch.4.013220  doi:10.3204/PUBDB-2022-03988

Abstract: In recent years, high-precision x-ray polarimeters have become a key method for the investigation of fundamental physical questions from solid-state physics to quantum optics. Here, we report on the verification of a polarization purity of better than $8×10^{−11}$ at an x-ray free-electron laser, which implies a suppression of the incoming photons to the noise level in the crossed polarizer setting. This purity provides exceptional sensitivity to tiny polarization changes and offers intriguing perspectives for fundamental tests of quantum electrodynamics.

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Contributing Institute(s):

1. Uni Jena (Uni Jena)
2. FS-Photon Science (FS-PS)
3. Experimentebetreuung PETRA III (FS-PET-S)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)

Experiment(s):

1. HED: High-Density matter Experiments (SASE2)

Appears in the scientific report 2022

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