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Sinn H, Dommach M, Dickert B, Di Felice M, Dong X, Eidam J, Finze D, Freijo-Martin I, Gerasimova N, Kohlstrunk N, La Civita D, Meyn F, Music V, Neumann M, Petrich M, Rio B, Samoylova L, Schmidtchen S, Störmer M, Trapp A, Vannoni M, Villanueva R, Yang F. The SASE1 X-ray beam transport system. JOURNAL OF SYNCHROTRON RADIATION 2019; 26:692-699. [PMID: 31074432 DOI: 10.1107/s1600577519003461] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 03/11/2019] [Indexed: 05/15/2023]
Abstract
SASE1 is the first beamline of the European XFEL that became operational in 2017. It consists of the SASE1 undulator system, the beam transport system, and the two scientific experiment stations: Single Particles, Clusters, and Biomolecules and Serial Femtosecond Crystallography (SPB/SFX), and Femtosecond X-ray Experiments (FXE). The beam transport system comprises mirrors to offset and guide the beam to the instruments and a set of X-ray optical components to align, manipulate and diagnose the beam. The SASE1 beam transport system is described here in its initial configuration, and results and experiences from the first year of user operation are reported.
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Affiliation(s)
- H Sinn
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Dommach
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - B Dickert
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Di Felice
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - X Dong
- Shanghai Institute of Applied Physics, 239 Zhangheng Road, Shanghai 201204, People's Republic of China
| | - J Eidam
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - D Finze
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | | | - N Gerasimova
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - N Kohlstrunk
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - D La Civita
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - F Meyn
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - V Music
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Neumann
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Petrich
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - B Rio
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - L Samoylova
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - S Schmidtchen
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Störmer
- Institute of Materials Research Helmholtz-Zentrum Geesthacht, Zentrum für Material- und Küstenforschung GmbH, Max-Planck-Straße 1, 21502 Geesthacht, Germany
| | - A Trapp
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Vannoni
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - R Villanueva
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
| | - F Yang
- European XFEL, Holzkoppel 4, 22869 Schenefeld, Germany
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2
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Badami VG, Abruña E, Huang L, Idir M. In situ metrology for adaptive x-ray optics with an absolute distance measuring sensor array. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2019; 90:021703. [PMID: 30831766 DOI: 10.1063/1.5060954] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 12/26/2018] [Indexed: 06/09/2023]
Abstract
Adaptive x-ray mirrors are emerging as one of the primary solutions for meeting the performance needs of the next generation of x-ray light sources. Currently, these mirrors operate open loop with intermittent feedback from invasive sensors that measure the beam quality. This paper outlines a novel design for real-time in situ metrology of the shape of these mirrors using an array of interferometric sensors that does not interrupt the x-ray beam. We describe a proof-of-principle demonstration which shows sub-nm agreement over a range of mirror deflection magnitudes and shapes as compared to simultaneous measurements by using a large-aperture Fizeau interferometer.
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Affiliation(s)
- V G Badami
- Zygo Corporation, 21 Laurel Brook Road, Middlefield, Connecticut 06455, USA
| | - E Abruña
- Zygo Corporation, 21 Laurel Brook Road, Middlefield, Connecticut 06455, USA
| | - L Huang
- Brookhaven National Laboratory-NSLS II, Upton, New York 11973, USA
| | - M Idir
- Brookhaven National Laboratory-NSLS II, Upton, New York 11973, USA
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