| Paper | Title | Page |
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| TUBA03 | The Generic Mirror Chamber for the European XFEL | 121 |
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For the high demanding requirements of the beam-lines of the European XFEL [*] new mirror chambers were developed, designed and tested. A prototype contains the main features of all needed ten units which are tested extensively. The concept of the mirror chamber is a further development of our Cartesian parallel kinematics for X-ray optics in the UHV [**]. The stiffness and vibration behaviour were further improved and the position resolution was increased compared to earlier implementations at Bessy and Flash. For that the drives were redesigned and now feature a stroke of 100 mm with nanometer resolution.
* H. Sinn, TDR: X-Ray Optics and Beam Transport, December 2012, XFEL. EU TR-2012-006 doi:10.3204 ** T. Noll, Parallel kinematics for nanoscale Car-tesian motions, Precision Engineering Vol.33/3 Pg.291 |
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Slides TUBA03 [38.484 MB] | |
| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUBA03 | |
| About • | paper received ※ 09 September 2016 paper accepted ※ 15 September 2016 issue date ※ 22 June 2017 | |
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WEPE12 |
From CAD Beamline Design to Tunnel Installation at XFEL | |
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The European XFEL will generate up to 27000 ultra short X-ray pulses per second with a brilliance that is a billion times higher than that of the best conventional X-ray radiation sources. The outstanding characteristics of the facility are unique worldwide. Starting 2017, it will open up completely new research opportunities for scientists and industrial users *. To built up the more than 3km long Photon beam transport system it was necessary to create a complete CAD integration model with placeholders of optical and diagnostic elements and beam-line sections. The detailed 3D model has to be placed into this so called "overview assemblies". Later workshop and installation drawings were created from this overview assembly. This drawings helped the technicians/engineers to built up the whole system in the underground tunnel.
* http://www.xfel.eu/overview/inbrief/ |
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Poster WEPE12 [0.828 MB] | |
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FRAA04 |
Soft X-Ray Grating Monochromator at the European XFEL | |
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| European XFEL, the Free-Electron-Laser facility in Hamburg (Germany), is going to start user operation in early 2017. In full operation the novel facility will produce at MHz repetition rate coherent femtosecond pulses with unprecedented brilliance in the energy range from 250 eV to 25 keV. The facility comprises of a linear accelerator and three beam-lines: SASE1, SASE2 and SASE3 that covers the soft X-ray energy range up to 3 keV. The almost diffraction-limited beam is propagated along the beam-line with very long, cooled and super-polished mirrors. The plane VLS grating monochromator provides monochromatised beam and the optical layout consists of two alternatively insertable pre-mirrors and three gratings. All the optics are installed in the same vessel and mounted on a single in-vacuum baseplate. Degrees of freedom of the device are chosen and designed to guarantee the needed tunability and the maximum stability. The device has been mechanically tested and the vibrational performance measured to guarantee the adequate stability for the optics. This work reports about the concept, design, and test results of the monochromator with emphasis on the vibrational behaviour. | ||
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Slides FRAA04 [25.019 MB] | |
| Export • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |