MEDSI2023 - List of Keywords (detector)

Paper	Title	Other Keywords	Page
TUOAM02	Update of the BM18 ESRF Beamline Development: Presentation of Selected Equipment and Their Commissioning	vacuum, SRF, experiment, MMI	1
	F. Cianciosi, A.-L. Buisson, P. Carceller, P. Tafforeau, P. Van Vaerenbergh ESRF, Grenoble, France
	This article highlights specific equipment that have not yet been described in previous publications, notably the in-vacuum cooled fast shutter for high-energy, the wide aluminium window and tailored high-precision slits (400x200 mm opening). 2022 and 2023 have seen the installation and commissioning of these new equipment. The ID18 beamline opened for user applications in September 2022 with limited capabilities and has been increasing its possibilities since then. It is expected to be fully equipped by the end of 2024.
	Slides TUOAM02 [187.155 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOAM02
About •	Received ※ 25 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 08 July 2024
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUOAM04	New Developments and Status of XAIRA, the New Microfocus MX Beamline at the ALBA Synchrotron	optics, synchrotron, cryogenics, experiment	5
	N. González, C. Colldelram, A. Crisol, D. Garriga, J. Juanhuix, J. Nicolàs, M. Quispe, I. Šics ALBA-CELLS, Cerdanyola del Vallès, Spain
	The new BL06-XAIRA microfocus macromolecular crystallography beamline at ALBA synchrotron is currently under commissioning and foreseen to enter into user operation in 2024. The aim of XAIRA is to provide a 4-14 keV, stable, high flux beam, focused to 3×1 µm2 FWHM. The beamline includes a novel monochromator design combining a cryocooled Si(111) channel-cut and a double multilayer diffracting optics for high stability and high flux; and new mirror benders with dynamical thermal bump and figure error correctors. In order to reduce X-ray parasitic scattering with air and maximize the photon flux, the entire end station, including sample environment, cryostream and detector, is enclosed in a helium chamber. The sub-100nm SoC diffractometer, based on a unique helium bearing goniometer also compatible with air, is designed to support fast oscillation experiments, raster scans and helical scans while allowing a tight sample to detector distance. The beamline is also equipped with a double on-axis visualization system for sample imaging at sub-micron resolutions. The general status of the beamline is presented here with particular detail on the in-house fully developed end station design.
	Slides TUOAM04 [6.526 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOAM04
About •	Received ※ 27 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 10 November 2023 — Issued ※ 15 May 2024
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TUOBM01	ForMAX: A Beamline for Multi-Scale and Multi-Modal Structural Characterisation of Hierarchical Materials	experiment, focusing, scattering, operation	15
	J.B. González Fernández, V.H. Haghighat, S.A. McDonald, K. Nygård, L.K. Roslund MAX IV Laboratory, Lund University, Lund, Sweden
	Funding: Knut and Alice Wallenberg Foundation ForMAX is an advanced beamline at MAX IV Laboratory, enabling multi-scale structural characterisation of hierarchical materials from nm to mm length scales with high temporal resolution. It combines full-field microtomography with small- and wide-angle x-ray scattering (SWAXS) techniques, operating at 8-25 keV and providing a variable beam size. The beamline supports SWAXS, scanning SWAXS imaging, absorption contrast tomography, propagation-based phase contrast tomography, and fast tomography. The experimental station is a versatile in-house design, tailored for various sample environments, allowing seamless integration of multiple techniques in the same experiment. The end station features a nine-meter-long evacuated flight tube with a motorized small-angle x-ray scattering (SAXS) detector trolley. Additionally, a granite gantry enables independent movement of the tomography microscope and custom-designed wide-angle x-ray (WAXS) detector. These features facilitate efficient switching and sequential combination of techniques. With commissioning completed in 2022, ForMAX End Station has demonstrated excellent performance and reliability in numerous high-quality experiments.
	Slides TUOBM01 [85.355 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOBM01
About •	Received ※ 23 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 04 November 2023 — Issued ※ 12 May 2024
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TUOBM06	MINERVA, a New X-ray Facility for the Characterization of the ATHENA Mirror Modules at the ALBA Synchrotron	vacuum, optics, MMI, synchrotron	28
	A. Carballedo, J.J. Casas, C. Colldelram, A. Crisol, G. Cuní, D. Heinis, J. Nicolàs, A. Sánchez, N. Valls Vidal ALBA-CELLS, Cerdanyola del Vallès, Spain N. Barrière, M.J. Collon, G. Vacanti Cosine Measurement Systems, Warmond, The Netherlands M. Bavdaz, I. Ferreira ESA-ESTEC, Noordwijk, The Netherlands L. Cibic, M. Krumrey, D. Skroblin PTB, Berlin, Germany
	Funding: MINERVA is funded by the European Space Agency (ESA) and the Spanish Ministry of Science and Innovation. In this paper we present the newly built beamline MINERVA, an X-ray facility at the ALBA synchrotron. The beamline has been designed to support the development of the X ray observatory ATHENA (Advanced Telescope for High Energy Astrophysics). MINERVA will host the necessary metrology equipment to integrate the stacks produced by cosine in a mirror module (MM) and characterize their optical performances. The optical and mechanical design is based on the XPBF 2.0 from the Physikalisch-Technische Bundesanstalt (PTB), at BESSY II already in use to this effect and its construction is meant to significantly augment the capability to produce MM. The development of MINERVA has addressed the need for improved technical specifications, overcome existing limitations and achieve enhanced mechanical performances. We describe the design, construction process and implementation of Minerva that lasted three years. Even though the beamline is still under a commissioning phase, we expose tests and analysis that have been recently performed, remarking the improvements accomplished and the challenges to overcome, in order to reach the operational readiness for the mirror modules mass production.
	Slides TUOBM06 [47.675 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOBM06
About •	Received ※ 24 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 09 February 2024
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TUPYP023	Design of a Long Versatile Detector Tube System for Pink Beam Small-Angle X-Ray Scattering (SAXS) Beamline at HEPS	experiment, vacuum, scattering, radiation	64
	Z.Q. Cui, G. Mo, Z.N. Ou, S. Tang, X. Xing, J.C. Zhang IHEP, Bejing, People’s Republic of China
	The long versatile detector tube system for small-angle X-ray scattering meets the experimental conditions of -5-50° wide-angle X-ray scattering (WAXS), 0.04-6° small-angle X-ray scattering (SAXS) and 0.001-0.1° ultra-small-angle X-ray scattering (USAXS), record the same change process of the same sample, and obtain comprehensive structural information of atomic size, nanometer size and micron size, which can be applied to nanomaterials, mesoporous materials, biological macromolecules, polymers and other fields. The size of the tube system is 26760×1945×2565 mm,and consists of four parts: WAXS device, SAXS device, USAXS device and vacuum chamber. The vacuum chamber is assembled by connecting and assembling parts such as thick and fine pipes, bellows, heads and vacuum valves, with a length of 13775 mm and an inner diameter of 1500mm. The thin pipe is 7740 mm long and has an inner diameter of 300 mm. The design scheme of the tube system is committed to ensuring that the distance between the SAXS detector and the sample is continuously adjustable within the range of 1-13.5 m in vacuum environment, and the straightness of the 13840 mm long track of the SAXS device is better than 1 mm.
	Poster TUPYP023 [1.737 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUPYP023
About •	Received ※ 02 November 2023 — Revised ※ 03 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 25 January 2024
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TUPYP054	Mechanical Design of the Beam Gas Ionisation (BGI) Beam Profile Monitor for CERN Super Proton Synchrotron	vacuum, electron, impedance, proton	114
	M.T. Ramos Garcia, W. Andreazza, P. Bestmann, H. Bursali, N.S. Chritin, W. Devauchelle, A. Harrison, G. Khatri, M. McLean, C. Pasquino, F. Sanda, P. Schwarz, J.W. Storey, R. Veness, W. Vollenberg, C. Vollinger CERN, Meyrin, Switzerland
	The Beam Gas Ionisation (BGI) instrument of the Proton Synchrotron (PS), presently installed and operational, has been re-designed for the Super Proton Synchrotron (SPS), the following machine along the Large Hadron Collider (LHC) injector chain at CERN accelerator complex. Using the same detection technology, Timepix3, the SPS-BGI infers the beam profile from the electrons created by the ionisation of rest gas molecules and accelerated onto an imaging detector. This measurement method will allow for continuous, non-destructive beam size measurement in the SPS. In view of the upgrade, the design has been simplified and validated for integration, radio-frequency & impedance, high-voltage and ultra-high vacuum compatibility.
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUPYP054
About •	Received ※ 24 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 14 November 2023
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WEOBM04	Advancing Simulation Capabilities at European XFEL: A Multidisciplinary Approach	simulation, FEL, data-management, real-time	142
	F. Yang, S. Göde, D. La Civita, D. Loureiro, H. Sinn EuXFEL, Schenefeld, Germany M. Rehwald HZDR, Dresden, Germany T. Stoye DESY, Hamburg, Germany
	At European XFEL, computational techniques such as FEA and CFD are widely applied in various scientific and engineering fields. In this contribution, a selection of multi-physics and multi-scaled models using FEA tools are presented, which virtually replicate the interaction process of XFEL beam with different materials, taking into consideration heat transfer, structural deformation and phase transition. To gain comprehensive insights into the fluid behaviors and performance of the detector cooling system and liquid sample delivery system, parametric studies are conducted using CFD simulation code FLUENT. Furthermore, a realistic simulation requires a secured process of Verification and Validation of the computational model. Specific guides and standards need to be followed to ensure the credibility and accuracy of the simulation results. Additionally, the FAIR principle for simulation data analysis is introduced at European XFEL. Based on reliable simulation data and real-time sensing data, the concept of digital twin will be integrated into the simulation framework, serving as a new safety constraint for monitoring and optimizing of the facility operation.
	Slides WEOBM04 [3.271 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEOBM04
About •	Received ※ 20 November 2023 — Revised ※ 22 November 2023 — Accepted ※ 16 July 2024 — Issued ※ 18 July 2024
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WEPPP009	POLAR Synchrotron Diffractometer	alignment, synchrotron, scattering, simulation	161
	G. Olea, N. Huber, J. Zeeb HUBER Diffraktiontechnik GmbH&Co.KG, Rimsting, Germany
	A new product for research purposes aiming to work in a synchrotron facility after its upgradation (APS-U) has been recently developed. Based on specific beam characteristics (emittance, coherence, variable polarization) and several X-ray diffraction (XRD) techniques applied (resonant, reflectivity) on single crystal and thin films under extreme conditions (temperature, pressure), the product is expected to fast progress the investigations of magnetic materials at nanoscale level. The dedicated machine (diffractometer) will be in one of the newly constructed experimental enclosure (G) of a main beamline (POLAR) in the 4th (ID-4) sector, serving a large spectrum of investigations for Magnetic Material (MM) group. POLAR-Dm was conceived on a traditional 6C (C-circles) geometry, maintaining the common kinematic structural principle of its family. With the addition of several interchangeable positioning devices (e.g., Euler cradle, air bearings stages, etc) the system is expanding the spectrum of possible investigations, maintaining the precision of new setups. The kinematic, design and precision concepts applied, together with the obtained test results are all in detail presented. * J. Strempfer et al., Possibilities at Polar beamline with APS-U, 14th Int. Conf. SRI2021, J. Phys., 2380 (2022) 012038 ** HUBER Diffractionstechnik GmbH&Co.KG, 2023, www.xhuber.com
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP009
About •	Received ※ 02 November 2023 — Revised ※ 04 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 28 February 2024
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WEPPP010	The MID Instrument of European XFEL: Upgrades and Experimental Setups	laser, experiment, FEL, vacuum	164
	G. Ansaldi, T. Andersen, A. Bartmann, U. Boesenberg, J. Hallmann, A. Madsen, J. Möller, J.-E. Pudell, A. Rodriguez-Fernandez, A. Schmidt, R.A. Shayduk, K. Sukharnikov, J. Wonhyuk, A. Zozulya EuXFEL, Schenefeld, Germany
	It is given an insight on examples of Upgrades currently under development at the Material Imaging and Dynamics (MID) Instrument of the European XFEL GmbH [1], [2] in the X-ray Scattering System (XSIS) [3]: - The Multi-Environment Setups for a Multi-Detector System (MDS₂) are the Setups designed around an additional detector chamber (MDS) to be used at the same time of the AGIPD detector [4], allowing it to cover simultaneously WAXS, SAXS and large field of view regions by using two area detectors, one close to the sample and a second one further away. - The Multi-Purpose Chamber 2 (MPC-2) represents the evolution of the current version and includes the upgraded design of both the exterior vessel and of some local optics assemblies in interior. Both these Upgrades will allow to improve the current MID Beamline performance capabilities and make entirely new experiments possible. - Reported are also Examples of some relevant Experimental Setups successfully designed and implemented going as well in the simultaneous multi-detector-use direction.
	Poster WEPPP010 [5.728 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP010
About •	Received ※ 10 October 2023 — Revised ※ 06 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 08 January 2024
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WEPPP012	Multiple Detector Stage at the MID Instrument of European XFEL	vacuum, electron, FEL, experiment	168
	A. Schmidt, G. Ansaldi, A. Bartmann, U. Boesenberg, J. Hallmann, A. Madsen, J. Möller, K. Sukharnikov EuXFEL, Schenefeld, Germany
	The Multiple Detector Stage (MDS) is an ancillary detector setup for the Materials Imaging and Dynamics (MID) instrument at the European X-Ray Free-Electron Laser Facility (EuXFEL). It is developed to improve the current capabilities concerning X-ray detection and make entirely new experiments possible. A unique feature of the MID instrument is the large flexibility in positioning of the AGIPD detector relative to the sample. This enables a large variety of instrument configurations ranging from small-angle (SAXS) to wide-angle (WAXS) X-ray scattering setups. A recurrent request from the users, which is currently not enabled, is the option of simultaneously recording both wide- and the small angle scattering by using two area detectors. The aim of developing MDS is to provide this missing capability at MID so that SAXS and WAXS experiments can be performed in parallel. The MDS will not be installed permanently at the instrument but only on request to provide as much flexibility as possible. In this article, the background and status of the MDS project is described in detail.
	Poster WEPPP012 [1.731 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP012
About •	Received ※ 10 October 2023 — Revised ※ 06 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 23 March 2024
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WEPPP024	Design of a Hard X-Ray Nanoprobe based on FZP	vacuum, controls, optics, SRF	184
	K.L. Liao, P.Y. Li, M.H. Song Jinan Hanjiang Opto-Electronics Technology Company Ltd., Jinan, People’s Republic of China Q.L. He, P.P. Zhu IHEP, Beijing, People’s Republic of China W.Q. Hua, P. Zhou SARI-CAS, Pudong, Shanghai, People’s Republic of China L. Luo TUB, Beijing, People’s Republic of China
	A high-resolution hard X-ray nanoprobe (HXNP) based on Fresnel Zone plate (FZP) was designed. The HXNP relies on a compact, high stiffness, low heat dissipation and low vibration design philosophy and utilizes FZP as nanofocusing optics. The optical layout and overall mechanical design of the HXNP were introduced. Several important modules, such as probe module, sample module, interferometer module and vacuum chambers were discussed in detail.
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP024
About •	Received ※ 02 November 2023 — Revised ※ 04 November 2023 — Accepted ※ 10 November 2023 — Issued ※ 12 April 2024
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WEPPP029	A Novel Flexible Design of the FaXToR End Station at ALBA	GUI, photon, experiment, synchrotron	190
	L.R.M. Ribó, N. González, L. Nikitina, A.P. Patera ALBA-CELLS, Cerdanyola del Vallès, Spain A. Mittone ANL, Lemont, Illinois, USA
	FaXToR is one of the beamlines currently in con-struction and commissioning phase at ALBA, dedicat-ed to fast hard X-ray imaging. It will offer absorption and phase contrast imaging to users. Possible applica-tions of the beamline include 3D static and dynamic inspections in a wide range of applications. FaXToR aims to provide both white and monochromatic beam of maximum 36x14 mm (HxV) at sample position with a photon energy up to 70 keV. The optical layout of the beamline will tune the beam depending on the specific experimental conditions. Among the required optical elements, there is a multilayer monochromator, the cooled slits, the filtering elements, the intensity moni-tor and the beam absorption elements. The end station will be equipped with a rotary sample stage and a de-tector system table to accommodate a dual detection thus simultaneously scanning the samples with high spatial and temporal resolutions. On top of it, a motor-ized auxiliary table dedicated to complex sample envi-ronment or future upgrades will translate along the total table length, independently from the two detector system bridges. The design and construction process of the beamline will be presented.
	Poster WEPPP029 [0.851 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP029
About •	Received ※ 26 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 10 December 2023
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WEPPP030	MAX IV –- MicroMAX Detector Stage	GUI, resonance, alignment, experiment	193
	S.M. Benedictsson, M.A. Al-Najdawi, O. Aurelius, G. Felcsuti, J. Lidón-Simon, M. Milas, T. Ursby MAX IV Laboratory, Lund University, Lund, Sweden
	Funding: "Funded by Novo Nordisk Fonden for the MicroMAX project, grant number NNF17CC0030666" The MicroMAX beamline at MAX IV Laboratory will employ two detectors to be used independently and move along the beam depending on the diffraction target resolution, starting close to the sample hanging partially over the sample table. The X-ray beam can be deflected by Kirkpatrick-Baez (KB) mirrors in the horizontal and vertical directions or pass undeflected. The MAX IV Design office designed a detector stage as an in-house project based on the ALBA table skin concept [1] to switch between the two detectors and accurately position the selected detector, either with or without the KB mirrors. To achieve stability and precision during translations, a large granite block is used, as well as preloaded linear and radial guides, and preloaded ball screws with stepper motors and, in most cases, a gear box. Flexures are used to allow linear motion’s pitch and yaw angles. The various motions are layered so that alignment to the beam axis can be done first, and then sample-to-detector distance can be adjusted independently. A Finite Element Analysis (FEA) were performed to achieve a stable design and measurements of resonance frequencies on the finalized stage were done to verify it. * Colldelram C., Rudget C., Nikitina L. October 2011. ALBA XALOC beamline diffractometer table skin concept design. Diamond Light Source Proceedings.
	Poster WEPPP030 [58.619 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP030
About •	Received ※ 25 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 08 January 2024
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WEPPP035	Design and Fluid Dynamics Study of a Recoverable Helium Sample Environment System for Optimal Data Quality in the New Microfocus MX Beamline at the ALBA Synchrotron Light Source	experiment, operation, cryogenics, MMI	203
	M. Quispe, J.J. Casas, C. Colldelram, D. Garriga, N. González, J. Juanhuix, J. Nicolàs, Y. Nikitin ALBA-CELLS, Cerdanyola del Vallès, Spain M. Rabasa ESEIAAT, Terrassa, Spain
	XAIRA is the new microfocus MX beamline under construction at the ALBA Synchrotron Light Source. For its experiments, the quality will be optimized by enclosing all the end station elements, including the diffractometer in a helium chamber, so that the background due to air scattering is minimized and the beam is not attenuated in the low photon energy range, down to 4 keV. This novel type of chamber comes with new challenges from the point of view of stability control and operation in low pressure conditions while enabling the recovery of the consumed helium. In particular, it is planned to collect the helium gas with a purity > 99.5% and then to recover the gas at the ALBA Helium Liquefaction Plant. Besides, the circuit includes a dedicated branch to recirculate the helium used by the goniometer bearing at the diffractometer. This paper describes the fluid dynamic conceptual design of the Helium chamber and its gas circuit, as well as numerical results based on one-dimensional studies and Computational Fluid Dynamics (CFD).
	Poster WEPPP035 [1.794 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP035
About •	Received ※ 24 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 18 June 2024
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WEPPP039	Data Preprocessing Method of High-Frequency Sampling XAFS Spectra Collected in a Novel Combined SAXS/XRD/XAFS Technique	synchrotron, experiment, interface, data-acquisition	207
	Y.P. Liu, Z.J. Chen, G. Mo, Z.H. Wu IHEP, Beijing, People’s Republic of China
	High-frequency (HF) sampling X-ray absorption fine structure (XAFS) spectra with a time-resolution of ~8s were collected in our newly developed synchrotron radiation small-angle X-ray scattering (SAXS)/X-ray diffraction (XRD)/XAFS combined technique. Restoring the HF XAFS spectrum which contains hundreds of thousands to millions of data points to a normal XAFS spectrum consisting of hundreds of data points is a critical step for the subsequent neighbor structure analysis. Herein, the data preprocessing method and procedure of HF XAFS spectra were proposed according to the absorption edge of the standard sample and the rotation angular velocity of the monochromator. This work is expected to facilitate the potential applications of HF XAFS spectra in a time-resolved SAXS/XRD/XAFS experiment.
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP039
About •	Received ※ 31 October 2023 — Revised ※ 05 November 2023 — Accepted ※ 07 November 2023 — Issued ※ 18 May 2024
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WEPPP049	Designs of Multiple Experimental Models for Pink SAXS Station	experiment, scattering, radiation, undulator	226
	G. Mo, Z.J. Chen, Z.Q. Cui, Z.H. Li, Y.P. Liu, Y. Tian, Z.H. Wu, X. Xing IHEP, Beijing, People’s Republic of China
	Pink SAXS (small angle X-ray scattering) station is dedicated to performing scattering experiments. A classical planar undulator is adopted as the beam source. The pink beam from the fundamental radiation of the undulator at the range of 8-12keV will be used directly after reflected by a pure silicon reflector. The high flux pink beam will be used to perform high time-resolution SAXS experiments. Monochromatic beam, which is obtained by a normal horizontal monochromator, also can be used alternately to perform high energy resolution experiments. Monochromatic beam and pink beam can be switched through moving in and out of the monochromator. The scattering background is reduced effectively using three sets of scatterless slits. Three diamond compound refractive lenses with different curvatures are employed to focus the 12keV monochromatic beam at sample position, detector position and infinite position respectively. A totally 24 meters long vacuum detector tube is adopted as SAXS camera. Three vacuum compatibility EIGER detectors are equipped at different positions to collect WAXS, SAXS and USAXS signals respectively. Then simultaneous USAXS/SAXS/WAXS measurement could be performed.
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP049
About •	Received ※ 01 November 2023 — Revised ※ 05 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 01 July 2024
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THOAM05	Modeling the Disturbances and the Dynamics of the New Micro CT Station for the MOGNO Beamline at Sirius/LNLS	experiment, synchrotron, GUI, software	256
	G.S. Baldon, F. Ferracioli, R.R. Geraldes, G.B.Z.L. Moreno, G.S. de Albuquerque LNLS, Campinas, Brazil
	Funding: Ministry of Science, Technology and Innovation (MCTI) At the 4th generation synchrotron laboratory Sirius at the Brazilian Synchrotron Light Laboratory (LNLS), MOGNO is a high energy imaging beamline, whose Nano Computed Tomography (CT) station is already in operation. The beamline’s 120x120 nm focus size, 3.1x3.1 mrad beam divergence, and 9·10¹¹ ph/s flux at 22-67 keV energy, allows experiments with better temporal and spatial resolution than lower energy and lower stability light sources. To further utilize its potential, a new Micro CT station is under development to perform experiments with 0.5-55 um resolution, and up to 4 Hz sample rotation. To achieve this, a model of the disturbances affecting the station was developed, which comprised: i) the characterization and simulation of disturbances, such as rotation forces; and ii) the modeling of the dynamics of the Micro-station. The dynamic model was built with the in-house developed Dynamic Error Budgeting Tool, which uses dynamic substructuring to model 6 degrees of freedom rigid body systems. This work discusses the tradeoffs between rotation-related parameters affecting the sample to optics stability and the experiment resolution in the frequency domain integrated up to 2kHz. N. L. Archilha, et al. 2022, J. Phys.: Conf. Ser. 2380 012123. ** R. R. Geraldes et al. 2022, Precision Engineering Vol. 77, 90-103.
	Slides THOAM05 [11.814 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-THOAM05
About •	Received ※ 02 November 2023 — Revised ※ 03 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 04 March 2024
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TUOAM02

Update of the BM18 ESRF Beamline Development: Presentation of Selected Equipment and Their Commissioning

vacuum, SRF, experiment, MMI

1

F. Cianciosi, A.-L. Buisson, P. Carceller, P. Tafforeau, P. Van Vaerenbergh
ESRF, Grenoble, France

This article highlights specific equipment that have not yet been described in previous publications, notably the in-vacuum cooled fast shutter for high-energy, the wide aluminium window and tailored high-precision slits (400x200 mm opening). 2022 and 2023 have seen the installation and commissioning of these new equipment. The ID18 beamline opened for user applications in September 2022 with limited capabilities and has been increasing its possibilities since then. It is expected to be fully equipped by the end of 2024.

Slides TUOAM02 [187.155 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOAM02

About •

Received ※ 25 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 08 July 2024

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TUOAM04

New Developments and Status of XAIRA, the New Microfocus MX Beamline at the ALBA Synchrotron

optics, synchrotron, cryogenics, experiment

5

N. González, C. Colldelram, A. Crisol, D. Garriga, J. Juanhuix, J. Nicolàs, M. Quispe, I. Šics
ALBA-CELLS, Cerdanyola del Vallès, Spain

The new BL06-XAIRA microfocus macromolecular crystallography beamline at ALBA synchrotron is currently under commissioning and foreseen to enter into user operation in 2024. The aim of XAIRA is to provide a 4-14 keV, stable, high flux beam, focused to 3×1 µm2 FWHM. The beamline includes a novel monochromator design combining a cryocooled Si(111) channel-cut and a double multilayer diffracting optics for high stability and high flux; and new mirror benders with dynamical thermal bump and figure error correctors. In order to reduce X-ray parasitic scattering with air and maximize the photon flux, the entire end station, including sample environment, cryostream and detector, is enclosed in a helium chamber. The sub-100nm SoC diffractometer, based on a unique helium bearing goniometer also compatible with air, is designed to support fast oscillation experiments, raster scans and helical scans while allowing a tight sample to detector distance. The beamline is also equipped with a double on-axis visualization system for sample imaging at sub-micron resolutions. The general status of the beamline is presented here with particular detail on the in-house fully developed end station design.

Slides TUOAM04 [6.526 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOAM04

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Received ※ 27 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 10 November 2023 — Issued ※ 15 May 2024

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TUOBM01

ForMAX: A Beamline for Multi-Scale and Multi-Modal Structural Characterisation of Hierarchical Materials

experiment, focusing, scattering, operation

15

J.B. González Fernández, V.H. Haghighat, S.A. McDonald, K. Nygård, L.K. Roslund
MAX IV Laboratory, Lund University, Lund, Sweden

Funding: Knut and Alice Wallenberg Foundation
ForMAX is an advanced beamline at MAX IV Laboratory, enabling multi-scale structural characterisation of hierarchical materials from nm to mm length scales with high temporal resolution. It combines full-field microtomography with small- and wide-angle x-ray scattering (SWAXS) techniques, operating at 8-25 keV and providing a variable beam size. The beamline supports SWAXS, scanning SWAXS imaging, absorption contrast tomography, propagation-based phase contrast tomography, and fast tomography. The experimental station is a versatile in-house design, tailored for various sample environments, allowing seamless integration of multiple techniques in the same experiment. The end station features a nine-meter-long evacuated flight tube with a motorized small-angle x-ray scattering (SAXS) detector trolley. Additionally, a granite gantry enables independent movement of the tomography microscope and custom-designed wide-angle x-ray (WAXS) detector. These features facilitate efficient switching and sequential combination of techniques. With commissioning completed in 2022, ForMAX End Station has demonstrated excellent performance and reliability in numerous high-quality experiments.

Slides TUOBM01 [85.355 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOBM01

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Received ※ 23 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 04 November 2023 — Issued ※ 12 May 2024

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TUOBM06

MINERVA, a New X-ray Facility for the Characterization of the ATHENA Mirror Modules at the ALBA Synchrotron

vacuum, optics, MMI, synchrotron

28

A. Carballedo, J.J. Casas, C. Colldelram, A. Crisol, G. Cuní, D. Heinis, J. Nicolàs, A. Sánchez, N. Valls Vidal
ALBA-CELLS, Cerdanyola del Vallès, Spain
N. Barrière, M.J. Collon, G. Vacanti
Cosine Measurement Systems, Warmond, The Netherlands
M. Bavdaz, I. Ferreira
ESA-ESTEC, Noordwijk, The Netherlands
L. Cibic, M. Krumrey, D. Skroblin
PTB, Berlin, Germany

Funding: MINERVA is funded by the European Space Agency (ESA) and the Spanish Ministry of Science and Innovation.
In this paper we present the newly built beamline MINERVA, an X-ray facility at the ALBA synchrotron. The beamline has been designed to support the development of the X ray observatory ATHENA (Advanced Telescope for High Energy Astrophysics). MINERVA will host the necessary metrology equipment to integrate the stacks produced by cosine in a mirror module (MM) and characterize their optical performances. The optical and mechanical design is based on the XPBF 2.0 from the Physikalisch-Technische Bundesanstalt (PTB), at BESSY II already in use to this effect and its construction is meant to significantly augment the capability to produce MM. The development of MINERVA has addressed the need for improved technical specifications, overcome existing limitations and achieve enhanced mechanical performances. We describe the design, construction process and implementation of Minerva that lasted three years. Even though the beamline is still under a commissioning phase, we expose tests and analysis that have been recently performed, remarking the improvements accomplished and the challenges to overcome, in order to reach the operational readiness for the mirror modules mass production.

Slides TUOBM06 [47.675 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUOBM06

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Received ※ 24 October 2023 — Revised ※ 03 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 09 February 2024

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TUPYP023

Design of a Long Versatile Detector Tube System for Pink Beam Small-Angle X-Ray Scattering (SAXS) Beamline at HEPS

experiment, vacuum, scattering, radiation

64

Z.Q. Cui, G. Mo, Z.N. Ou, S. Tang, X. Xing, J.C. Zhang
IHEP, Bejing, People’s Republic of China

The long versatile detector tube system for small-angle X-ray scattering meets the experimental conditions of -5-50° wide-angle X-ray scattering (WAXS), 0.04-6° small-angle X-ray scattering (SAXS) and 0.001-0.1° ultra-small-angle X-ray scattering (USAXS), record the same change process of the same sample, and obtain comprehensive structural information of atomic size, nanometer size and micron size, which can be applied to nanomaterials, mesoporous materials, biological macromolecules, polymers and other fields. The size of the tube system is 26760×1945×2565 mm,and consists of four parts: WAXS device, SAXS device, USAXS device and vacuum chamber. The vacuum chamber is assembled by connecting and assembling parts such as thick and fine pipes, bellows, heads and vacuum valves, with a length of 13775 mm and an inner diameter of 1500mm. The thin pipe is 7740 mm long and has an inner diameter of 300 mm. The design scheme of the tube system is committed to ensuring that the distance between the SAXS detector and the sample is continuously adjustable within the range of 1-13.5 m in vacuum environment, and the straightness of the 13840 mm long track of the SAXS device is better than 1 mm.

Poster TUPYP023 [1.737 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUPYP023

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Received ※ 02 November 2023 — Revised ※ 03 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 25 January 2024

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TUPYP054

Mechanical Design of the Beam Gas Ionisation (BGI) Beam Profile Monitor for CERN Super Proton Synchrotron

vacuum, electron, impedance, proton

114

M.T. Ramos Garcia, W. Andreazza, P. Bestmann, H. Bursali, N.S. Chritin, W. Devauchelle, A. Harrison, G. Khatri, M. McLean, C. Pasquino, F. Sanda, P. Schwarz, J.W. Storey, R. Veness, W. Vollenberg, C. Vollinger
CERN, Meyrin, Switzerland

The Beam Gas Ionisation (BGI) instrument of the Proton Synchrotron (PS), presently installed and operational, has been re-designed for the Super Proton Synchrotron (SPS), the following machine along the Large Hadron Collider (LHC) injector chain at CERN accelerator complex. Using the same detection technology, Timepix3, the SPS-BGI infers the beam profile from the electrons created by the ionisation of rest gas molecules and accelerated onto an imaging detector. This measurement method will allow for continuous, non-destructive beam size measurement in the SPS. In view of the upgrade, the design has been simplified and validated for integration, radio-frequency & impedance, high-voltage and ultra-high vacuum compatibility.

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-TUPYP054

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Received ※ 24 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 14 November 2023

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WEOBM04

Advancing Simulation Capabilities at European XFEL: A Multidisciplinary Approach

simulation, FEL, data-management, real-time

142

F. Yang, S. Göde, D. La Civita, D. Loureiro, H. Sinn
EuXFEL, Schenefeld, Germany
M. Rehwald
HZDR, Dresden, Germany
T. Stoye
DESY, Hamburg, Germany

At European XFEL, computational techniques such as FEA and CFD are widely applied in various scientific and engineering fields. In this contribution, a selection of multi-physics and multi-scaled models using FEA tools are presented, which virtually replicate the interaction process of XFEL beam with different materials, taking into consideration heat transfer, structural deformation and phase transition. To gain comprehensive insights into the fluid behaviors and performance of the detector cooling system and liquid sample delivery system, parametric studies are conducted using CFD simulation code FLUENT. Furthermore, a realistic simulation requires a secured process of Verification and Validation of the computational model. Specific guides and standards need to be followed to ensure the credibility and accuracy of the simulation results. Additionally, the FAIR principle for simulation data analysis is introduced at European XFEL. Based on reliable simulation data and real-time sensing data, the concept of digital twin will be integrated into the simulation framework, serving as a new safety constraint for monitoring and optimizing of the facility operation.

Slides WEOBM04 [3.271 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEOBM04

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Received ※ 20 November 2023 — Revised ※ 22 November 2023 — Accepted ※ 16 July 2024 — Issued ※ 18 July 2024

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WEPPP009

POLAR Synchrotron Diffractometer

alignment, synchrotron, scattering, simulation

161

G. Olea, N. Huber, J. Zeeb
HUBER Diffraktiontechnik GmbH&Co.KG, Rimsting, Germany

A new product for research purposes aiming to work in a synchrotron facility after its upgradation (APS-U) has been recently developed. Based on specific beam characteristics (emittance, coherence, variable polarization) and several X-ray diffraction (XRD) techniques applied (resonant, reflectivity) on single crystal and thin films under extreme conditions (temperature, pressure), the product is expected to fast progress the investigations of magnetic materials at nanoscale level. The dedicated machine (diffractometer) will be in one of the newly constructed experimental enclosure (G) of a main beamline (POLAR) in the 4th (ID-4) sector, serving a large spectrum of investigations for Magnetic Material (MM) group. POLAR-Dm was conceived on a traditional 6C (C-circles) geometry, maintaining the common kinematic structural principle of its family. With the addition of several interchangeable positioning devices (e.g., Euler cradle, air bearings stages, etc) the system is expanding the spectrum of possible investigations, maintaining the precision of new setups. The kinematic, design and precision concepts applied, together with the obtained test results are all in detail presented.
* J. Strempfer et al., Possibilities at Polar beamline with APS-U, 14th Int. Conf. SRI2021, J. Phys., 2380 (2022) 012038
** HUBER Diffractionstechnik GmbH&Co.KG, 2023, www.xhuber.com

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP009

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Received ※ 02 November 2023 — Revised ※ 04 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 28 February 2024

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WEPPP010

The MID Instrument of European XFEL: Upgrades and Experimental Setups

laser, experiment, FEL, vacuum

164

G. Ansaldi, T. Andersen, A. Bartmann, U. Boesenberg, J. Hallmann, A. Madsen, J. Möller, J.-E. Pudell, A. Rodriguez-Fernandez, A. Schmidt, R.A. Shayduk, K. Sukharnikov, J. Wonhyuk, A. Zozulya
EuXFEL, Schenefeld, Germany

It is given an insight on examples of Upgrades currently under development at the Material Imaging and Dynamics (MID) Instrument of the European XFEL GmbH [1], [2] in the X-ray Scattering System (XSIS) [3]: - The Multi-Environment Setups for a Multi-Detector System (MDS₂) are the Setups designed around an additional detector chamber (MDS) to be used at the same time of the AGIPD detector [4], allowing it to cover simultaneously WAXS, SAXS and large field of view regions by using two area detectors, one close to the sample and a second one further away. - The Multi-Purpose Chamber 2 (MPC-2) represents the evolution of the current version and includes the upgraded design of both the exterior vessel and of some local optics assemblies in interior. Both these Upgrades will allow to improve the current MID Beamline performance capabilities and make entirely new experiments possible. - Reported are also Examples of some relevant Experimental Setups successfully designed and implemented going as well in the simultaneous multi-detector-use direction.

Poster WEPPP010 [5.728 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP010

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Received ※ 10 October 2023 — Revised ※ 06 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 08 January 2024

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WEPPP012

Multiple Detector Stage at the MID Instrument of European XFEL

vacuum, electron, FEL, experiment

168

A. Schmidt, G. Ansaldi, A. Bartmann, U. Boesenberg, J. Hallmann, A. Madsen, J. Möller, K. Sukharnikov
EuXFEL, Schenefeld, Germany

The Multiple Detector Stage (MDS) is an ancillary detector setup for the Materials Imaging and Dynamics (MID) instrument at the European X-Ray Free-Electron Laser Facility (EuXFEL). It is developed to improve the current capabilities concerning X-ray detection and make entirely new experiments possible. A unique feature of the MID instrument is the large flexibility in positioning of the AGIPD detector relative to the sample. This enables a large variety of instrument configurations ranging from small-angle (SAXS) to wide-angle (WAXS) X-ray scattering setups. A recurrent request from the users, which is currently not enabled, is the option of simultaneously recording both wide- and the small angle scattering by using two area detectors. The aim of developing MDS is to provide this missing capability at MID so that SAXS and WAXS experiments can be performed in parallel. The MDS will not be installed permanently at the instrument but only on request to provide as much flexibility as possible. In this article, the background and status of the MDS project is described in detail.

Poster WEPPP012 [1.731 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP012

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Received ※ 10 October 2023 — Revised ※ 06 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 23 March 2024

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WEPPP024

Design of a Hard X-Ray Nanoprobe based on FZP

vacuum, controls, optics, SRF

184

K.L. Liao, P.Y. Li, M.H. Song
Jinan Hanjiang Opto-Electronics Technology Company Ltd., Jinan, People’s Republic of China
Q.L. He, P.P. Zhu
IHEP, Beijing, People’s Republic of China
W.Q. Hua, P. Zhou
SARI-CAS, Pudong, Shanghai, People’s Republic of China
L. Luo
TUB, Beijing, People’s Republic of China

A high-resolution hard X-ray nanoprobe (HXNP) based on Fresnel Zone plate (FZP) was designed. The HXNP relies on a compact, high stiffness, low heat dissipation and low vibration design philosophy and utilizes FZP as nanofocusing optics. The optical layout and overall mechanical design of the HXNP were introduced. Several important modules, such as probe module, sample module, interferometer module and vacuum chambers were discussed in detail.

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP024

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Received ※ 02 November 2023 — Revised ※ 04 November 2023 — Accepted ※ 10 November 2023 — Issued ※ 12 April 2024

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WEPPP029

A Novel Flexible Design of the FaXToR End Station at ALBA

GUI, photon, experiment, synchrotron

190

L.R.M. Ribó, N. González, L. Nikitina, A.P. Patera
ALBA-CELLS, Cerdanyola del Vallès, Spain
A. Mittone
ANL, Lemont, Illinois, USA

FaXToR is one of the beamlines currently in con-struction and commissioning phase at ALBA, dedicat-ed to fast hard X-ray imaging. It will offer absorption and phase contrast imaging to users. Possible applica-tions of the beamline include 3D static and dynamic inspections in a wide range of applications. FaXToR aims to provide both white and monochromatic beam of maximum 36x14 mm (HxV) at sample position with a photon energy up to 70 keV. The optical layout of the beamline will tune the beam depending on the specific experimental conditions. Among the required optical elements, there is a multilayer monochromator, the cooled slits, the filtering elements, the intensity moni-tor and the beam absorption elements. The end station will be equipped with a rotary sample stage and a de-tector system table to accommodate a dual detection thus simultaneously scanning the samples with high spatial and temporal resolutions. On top of it, a motor-ized auxiliary table dedicated to complex sample envi-ronment or future upgrades will translate along the total table length, independently from the two detector system bridges. The design and construction process of the beamline will be presented.

Poster WEPPP029 [0.851 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP029

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Received ※ 26 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 10 December 2023

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WEPPP030

MAX IV –- MicroMAX Detector Stage

GUI, resonance, alignment, experiment

193

S.M. Benedictsson, M.A. Al-Najdawi, O. Aurelius, G. Felcsuti, J. Lidón-Simon, M. Milas, T. Ursby
MAX IV Laboratory, Lund University, Lund, Sweden

Funding: "Funded by Novo Nordisk Fonden for the MicroMAX project, grant number NNF17CC0030666"
The MicroMAX beamline at MAX IV Laboratory will employ two detectors to be used independently and move along the beam depending on the diffraction target resolution, starting close to the sample hanging partially over the sample table. The X-ray beam can be deflected by Kirkpatrick-Baez (KB) mirrors in the horizontal and vertical directions or pass undeflected. The MAX IV Design office designed a detector stage as an in-house project based on the ALBA table skin concept [1] to switch between the two detectors and accurately position the selected detector, either with or without the KB mirrors. To achieve stability and precision during translations, a large granite block is used, as well as preloaded linear and radial guides, and preloaded ball screws with stepper motors and, in most cases, a gear box. Flexures are used to allow linear motion’s pitch and yaw angles. The various motions are layered so that alignment to the beam axis can be done first, and then sample-to-detector distance can be adjusted independently. A Finite Element Analysis (FEA) were performed to achieve a stable design and measurements of resonance frequencies on the finalized stage were done to verify it.
* Colldelram C., Rudget C., Nikitina L. October 2011. ALBA XALOC beamline diffractometer table skin concept design. Diamond Light Source Proceedings.

Poster WEPPP030 [58.619 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP030

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Received ※ 25 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 08 January 2024

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WEPPP035

Design and Fluid Dynamics Study of a Recoverable Helium Sample Environment System for Optimal Data Quality in the New Microfocus MX Beamline at the ALBA Synchrotron Light Source

experiment, operation, cryogenics, MMI

203

M. Quispe, J.J. Casas, C. Colldelram, D. Garriga, N. González, J. Juanhuix, J. Nicolàs, Y. Nikitin
ALBA-CELLS, Cerdanyola del Vallès, Spain
M. Rabasa
ESEIAAT, Terrassa, Spain

XAIRA is the new microfocus MX beamline under construction at the ALBA Synchrotron Light Source. For its experiments, the quality will be optimized by enclosing all the end station elements, including the diffractometer in a helium chamber, so that the background due to air scattering is minimized and the beam is not attenuated in the low photon energy range, down to 4 keV. This novel type of chamber comes with new challenges from the point of view of stability control and operation in low pressure conditions while enabling the recovery of the consumed helium. In particular, it is planned to collect the helium gas with a purity > 99.5% and then to recover the gas at the ALBA Helium Liquefaction Plant. Besides, the circuit includes a dedicated branch to recirculate the helium used by the goniometer bearing at the diffractometer. This paper describes the fluid dynamic conceptual design of the Helium chamber and its gas circuit, as well as numerical results based on one-dimensional studies and Computational Fluid Dynamics (CFD).

Poster WEPPP035 [1.794 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP035

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Received ※ 24 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 18 June 2024

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WEPPP039

Data Preprocessing Method of High-Frequency Sampling XAFS Spectra Collected in a Novel Combined SAXS/XRD/XAFS Technique

synchrotron, experiment, interface, data-acquisition

207

Y.P. Liu, Z.J. Chen, G. Mo, Z.H. Wu
IHEP, Beijing, People’s Republic of China

High-frequency (HF) sampling X-ray absorption fine structure (XAFS) spectra with a time-resolution of ~8s were collected in our newly developed synchrotron radiation small-angle X-ray scattering (SAXS)/X-ray diffraction (XRD)/XAFS combined technique. Restoring the HF XAFS spectrum which contains hundreds of thousands to millions of data points to a normal XAFS spectrum consisting of hundreds of data points is a critical step for the subsequent neighbor structure analysis. Herein, the data preprocessing method and procedure of HF XAFS spectra were proposed according to the absorption edge of the standard sample and the rotation angular velocity of the monochromator. This work is expected to facilitate the potential applications of HF XAFS spectra in a time-resolved SAXS/XRD/XAFS experiment.

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP039

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Received ※ 31 October 2023 — Revised ※ 05 November 2023 — Accepted ※ 07 November 2023 — Issued ※ 18 May 2024

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WEPPP049

Designs of Multiple Experimental Models for Pink SAXS Station

experiment, scattering, radiation, undulator

226

G. Mo, Z.J. Chen, Z.Q. Cui, Z.H. Li, Y.P. Liu, Y. Tian, Z.H. Wu, X. Xing
IHEP, Beijing, People’s Republic of China

Pink SAXS (small angle X-ray scattering) station is dedicated to performing scattering experiments. A classical planar undulator is adopted as the beam source. The pink beam from the fundamental radiation of the undulator at the range of 8-12keV will be used directly after reflected by a pure silicon reflector. The high flux pink beam will be used to perform high time-resolution SAXS experiments. Monochromatic beam, which is obtained by a normal horizontal monochromator, also can be used alternately to perform high energy resolution experiments. Monochromatic beam and pink beam can be switched through moving in and out of the monochromator. The scattering background is reduced effectively using three sets of scatterless slits. Three diamond compound refractive lenses with different curvatures are employed to focus the 12keV monochromatic beam at sample position, detector position and infinite position respectively. A totally 24 meters long vacuum detector tube is adopted as SAXS camera. Three vacuum compatibility EIGER detectors are equipped at different positions to collect WAXS, SAXS and USAXS signals respectively. Then simultaneous USAXS/SAXS/WAXS measurement could be performed.

DOI •

reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEPPP049

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Received ※ 01 November 2023 — Revised ※ 05 November 2023 — Accepted ※ 09 November 2023 — Issued ※ 01 July 2024

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THOAM05

Modeling the Disturbances and the Dynamics of the New Micro CT Station for the MOGNO Beamline at Sirius/LNLS

experiment, synchrotron, GUI, software

256

G.S. Baldon, F. Ferracioli, R.R. Geraldes, G.B.Z.L. Moreno, G.S. de Albuquerque
LNLS, Campinas, Brazil

Funding: Ministry of Science, Technology and Innovation (MCTI)
At the 4th generation synchrotron laboratory Sirius at the Brazilian Synchrotron Light Laboratory (LNLS), MOGNO is a high energy imaging beamline*, whose Nano Computed Tomography (CT) station is already in operation. The beamline’s 120x120 nm focus size, 3.1x3.1 mrad beam divergence, and 9·10¹¹ ph/s flux at 22-67 keV energy, allows experiments with better temporal and spatial resolution than lower energy and lower stability light sources. To further utilize its potential, a new Micro CT station is under development to perform experiments with 0.5-55 um resolution, and up to 4 Hz sample rotation. To achieve this, a model of the disturbances affecting the station was developed, which comprised: i) the characterization and simulation of disturbances, such as rotation forces; and ii) the modeling of the dynamics of the Micro-station. The dynamic model was built with the in-house developed Dynamic Error Budgeting Tool**, which uses dynamic substructuring to model 6 degrees of freedom rigid body systems. This work discusses the tradeoffs between rotation-related parameters affecting the sample to optics stability and the experiment resolution in the frequency domain integrated up to 2kHz.
* N. L. Archilha, et al. 2022, J. Phys.: Conf. Ser. 2380 012123.
** R. R. Geraldes et al. 2022, Precision Engineering Vol. 77, 90-103.

Slides THOAM05 [11.814 MB]

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reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-THOAM05

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Received ※ 02 November 2023 — Revised ※ 03 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 04 March 2024

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