Harmonic radiation contribution and X-ray transmission at the Small Quantum Systems instrument of European XFEL
open access..
Transmission measurements of the soft X-ray beamline to the Small Quantum Systems (SQS) scientific instrument at the SASE3 undulator of European XFEL are presented. Measurements are reported for a wide range of photon energies (650 eV to 2400 eV), using X-ray gas monitors as well as a bolometric radiometer. The results are in good agreement with simulations for the beam transport and show a transmission of up to 80% over the whole photon energy range. The contribution of second- and third-harmonic radiation of the soft X-ray undulator is determined at selected photon energies by performing transmission measurements using a gas absorber to provide variable attenuation of the incoming photon flux. A comparison of the results with semi-analytic calculations for the generation of free-electron laser pulses in the SASE3 undulator reveals an influence of apertures along the beam transport on the exact harmonic content to be accounted for at the experiment. The second-harmonic content is measured to be in the range of 0.1% to 0.3%, while the third-harmonic contributed a few percent to the SASE3 emission. For experiments at the SQS instrument, these numbers can be reduced through specific selections of the mirror reflection angles.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Journal of synchrotron radiation - 30(2023), Pt 4 vom: 01. Juli, Seite 662-670 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Baumann, Thomas M [VerfasserIn] |
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| Links: |
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| Themen: |
Atomic, molecular and optical science |
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| Anmerkungen: |
Date Completed 10.07.2023 Date Revised 18.07.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1107/S1600577523003090 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM356662268 |
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| 100 | 1 | |a Baumann, Thomas M |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Harmonic radiation contribution and X-ray transmission at the Small Quantum Systems instrument of European XFEL |
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| 500 | |a Date Revised 18.07.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a open access. | ||
| 520 | |a Transmission measurements of the soft X-ray beamline to the Small Quantum Systems (SQS) scientific instrument at the SASE3 undulator of European XFEL are presented. Measurements are reported for a wide range of photon energies (650 eV to 2400 eV), using X-ray gas monitors as well as a bolometric radiometer. The results are in good agreement with simulations for the beam transport and show a transmission of up to 80% over the whole photon energy range. The contribution of second- and third-harmonic radiation of the soft X-ray undulator is determined at selected photon energies by performing transmission measurements using a gas absorber to provide variable attenuation of the incoming photon flux. A comparison of the results with semi-analytic calculations for the generation of free-electron laser pulses in the SASE3 undulator reveals an influence of apertures along the beam transport on the exact harmonic content to be accounted for at the experiment. The second-harmonic content is measured to be in the range of 0.1% to 0.3%, while the third-harmonic contributed a few percent to the SASE3 emission. For experiments at the SQS instrument, these numbers can be reduced through specific selections of the mirror reflection angles | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a X-ray beam transport | |
| 650 | 4 | |a atomic, molecular and optical science | |
| 650 | 4 | |a free-electron lasers | |
| 650 | 4 | |a harmonic radiation | |
| 700 | 1 | |a Boll, Rebecca |e verfasserin |4 aut | |
| 700 | 1 | |a De Fanis, Alberto |e verfasserin |4 aut | |
| 700 | 1 | |a Grychtol, Patrik |e verfasserin |4 aut | |
| 700 | 1 | |a Ilchen, Markus |e verfasserin |4 aut | |
| 700 | 1 | |a Jastrow, Ulf Fini |e verfasserin |4 aut | |
| 700 | 1 | |a Kato, Masahiro |e verfasserin |4 aut | |
| 700 | 1 | |a Lechner, Christoph |e verfasserin |4 aut | |
| 700 | 1 | |a Maltezopoulos, Theophilos |e verfasserin |4 aut | |
| 700 | 1 | |a Mazza, Tommaso |e verfasserin |4 aut | |
| 700 | 1 | |a Montaño, Jacobo |e verfasserin |4 aut | |
| 700 | 1 | |a Music, Valerija |e verfasserin |4 aut | |
| 700 | 1 | |a Ovcharenko, Yevheniy |e verfasserin |4 aut | |
| 700 | 1 | |a Rennhack, Nils |e verfasserin |4 aut | |
| 700 | 1 | |a Rivas, Daniel E |e verfasserin |4 aut | |
| 700 | 1 | |a Saito, Norio |e verfasserin |4 aut | |
| 700 | 1 | |a Schmidt, Philipp |e verfasserin |4 aut | |
| 700 | 1 | |a Serkez, Svitozar |e verfasserin |4 aut | |
| 700 | 1 | |a Sorokin, Andrey |e verfasserin |4 aut | |
| 700 | 1 | |a Usenko, Sergey |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Jiawei |e verfasserin |4 aut | |
| 700 | 1 | |a Geloni, Gianluca |e verfasserin |4 aut | |
| 700 | 1 | |a Tanaka, Takahiro |e verfasserin |4 aut | |
| 700 | 1 | |a Tiedtke, Kai |e verfasserin |4 aut | |
| 700 | 1 | |a Meyer, Michael |e verfasserin |4 aut | |
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