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11/12/2024, 09:00Button BPMs for Synchrotron Light Sources
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Alun Morgan (Diamond Light Source)11/12/2024, 09:20
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Silke Vilcins (Deutsches Elektronen Synchrotron (DESY))11/12/2024, 09:50
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Tianhuan Luo (Lawrence Berkeley National Laboratory)11/12/2024, 10:50
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Siwon Jang (Pohang Accelerator Laboratory)11/12/2024, 11:20
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Nicolas HUBERT (SYNCHROTRON SOLEIL)11/12/2024, 11:50Button BPMs for Synchrotron Light Sources
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Sergey Strokov (DESY)11/12/2024, 12:20
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Yongbin Leng (USTC/NSRL)11/12/2024, 14:00
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Stefano Cleva (Elettra Sincrotrone Trieste)11/12/2024, 14:30
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Fabio Marcellini (Paul Scherrer Institut)11/12/2024, 15:00Button BPMs for Synchrotron Light Sources
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Jun He (Institute of High Energy Physics, CAS)11/12/2024, 16:00
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11/12/2024, 16:30Button BPMs for Synchrotron Light SourcesOral Presentation
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Michal Krupa12/12/2024, 09:00Button BPMs for Synchrotron Light Sources
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DAVID GASSNER (EIC - Brookhaven National Lab)12/12/2024, 09:30
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Frederic Micolon (Brookhaven national laboratory)12/12/2024, 10:00
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Shalva Bilanishvili12/12/2024, 11:00
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Dima El Khechen (Karlsruhe Institute for Technology)12/12/2024, 11:30
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Bernhard Scheible (Technische Hochschule Mittelhessen)12/12/2024, 12:00Button BPMs for Synchrotron Light Sources
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Andriy Nosych12/12/2024, 13:30
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Nicola Selbach (Helmholtz Zentrum Berlin)12/12/2024, 14:00
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12/12/2024, 14:30Oral Presentation
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Andriy NosychButton BPMs for Synchrotron Light SourcesOral Presentation
In the world of 2D electromagnetic and electrostatic modeling the two prevalent approaches are the finite-element and boundary-element methods (FEM and BEM). BpmLab (FEM) developed in ALBA in 2017, and BEM (i.e. BEM) developed in Diamond in 2004, both made for Matlab, have been extensively used across synchrotron labs and accelerator machines for the last 10 years. These codes precisely meet...
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Dr Dima El khechen (Karlsruhe Institute for Technology)Button BPMs for Synchrotron Light SourcesOral Presentation
The KIT cSTART project (compact storage ring for accelerator research and technology) aims to demonstrate injection and storage of a high intensity ultra-short bunch using the FLUTE LINAC, as well as a laser-plasma accelerator (LPA).
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cSTART is planned to operate with a wide range of demanding parameters, such as bunch charge, bunch length and energy spread (from the LPA); making it... -
Yongbin Leng (USTC/NSRL)Button BPMs for Synchrotron Light SourcesOral Presentation
The Hefei Advanced Light Facility (HALF) is a 4th generation low energy diffraction-limited synchrotron radiation light source currently under construction in China. The storage ring contains 240 sets of button electrode type Beam Position Monitor (BPM) probes for orbit measurement and feedback. To select the most suitable probe manufacturer, five identically designed button electrode probe...
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Dr Jun He (Institute of High Energy Physics, CAS)Button BPMs for Synchrotron Light SourcesOral Presentation
A button and stripline beam position monitor (BPM) were designed and fabricated. 3700 feedthroughs and 720 BPMs have been made and tested. The feedthroughs are sorted by the capacitance which was measured by the TDR. The position accuracy of the button and fiducial were measured by Coordinate Measuring Machine which shown an accuracy of dozens of μm. The characteristic impedances of the...
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Siwon Jang (Pohang Accelerator Laboratory)Button BPMs for Synchrotron Light SourcesOral Presentation
The Korean 4th Generation Synchrotron Radiation (4GSR) storage ring project is currently under construction in Ochang, South Korea, with the goal of achieving the first beam commissioning in 2027. To achieve an emittance approximately 100 times smaller than that of third-generation synchrotron radiation storage rings, this project requires the development of several high-precision beam...
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Tianhuan Luo (Lawrence Berkeley National Laboratory)Button BPMs for Synchrotron Light SourcesOral Presentation
The ALS Upgrade Project (ALS-U) consists in the replacement of the existing ALS storage ring and the addition of a new accumulator ring in order to decrease the horizontal beam emittance to about 70 pm rad, resulting in an increase of two orders of magnitude in the soft X-Ray brightness. The vacuum chambers of two new rings, and of the transfer lines connecting them, will include 327 new beam...
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DAVID GASSNER (EIC - Brookhaven National Lab)Button BPMs for Synchrotron Light SourcesOral Presentation
The Electron-Ion Collider will be constructed at Brookhaven National Laboratory, utilizing the existing infrastructure and accelerator complex of the Relativistic Heavy Ion Collider (RHIC). The existing superconducting yellow RHIC ring will be upgraded to become the hadron storage ring (HSR) with a maximum energy of 275 GeV, and beam current up to 1 Amp. Upgrades include new button BPMs. A...
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Michal Krupa
As part of the High Luminosity upgrade of the LHC, 52 new stripline and button BPMs as well as 38 collimators with embedded button BPMs will be installed. This requires production of various types of button electrodes and RF feedthroughs for both cryogenic to high-temperature environments. This contribution will present the design, manufacturing challenges and testing procedures for the...
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Stefano Cleva (Elettra Sincrotrone Trieste)Button BPMs for Synchrotron Light SourcesOral Presentation
The electromagnetic (EM) design of button type beam position monitor (BPM) devices for fourth-generation storage rings is only the first step, and in certain respects the simplest one, of the full path to get a manufacturable, reliable and "cheap" diagnostic tool. Once completed, such EM design has to be reviewed and modified together with the potential BPMs manufacturers in order to match all...
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Stefano Cleva (Elettra Sincrotrone Trieste)
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Silke Vilcins (Deutsches Elektronen Synchrotron (DESY))Button BPMs for Synchrotron Light SourcesOral Presentation
Indeed, sometimes it is the case. Ultra-high vacuum leak-tight electrical coaxial feedthroughs are used for various diagnostic devices in particle accelerators. In principle, these feedthroughs are currently manufactured using two different production processes because of different materials. Coaxial feedthroughs have always an inner conductor and an outer housing. Both are connected by an...
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Alun Morgan (Diamond Light Source)Button BPMs for Synchrotron Light SourcesOral Presentation
Some years ago a similar workshop was hosted at Diamond. At the time there was a concern about the availability of suitably proficient manufacturers for the construction of EBPM buttons. Much best practice and experience was shared. Since then Diamond have run a prototype button project to identify possible manufacturers as well as pain points in the manufacturing and material procurement.
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Nicola Selbach (Helmholtz Zentrum Berlin)Button BPMs for Synchrotron Light SourcesOral Presentation
For the 2D simulation of a beam position monitor (BPM) in a synchrotron light source there is a Matlab Code using the Boundary Element Method (BEM) developed in 2004 [1]. We are using this simulation at BESSY II for determining the induced charge on the buttons and studying non linear effects of the BPMs and their different geometries.
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We decided to convert that code into Python to add... -
Shalva BilanishviliButton BPMs for Synchrotron Light SourcesOral Presentation
Beam position monitors (BPMs) are essential diagnostics tools in particle accelerators. Due to the large number of BPMs typically installed, their cumulative contribution to the beam coupling impedance cannot be neglected.
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In this work, design optimization for both button and stripline BPMs aimed at reducing beam coupling impedance while maintaining or enhancing the signal transfer impedance... -
Bernhard Scheible (Technische Hochschule Mittelhessen)Button BPMs for Synchrotron Light SourcesOral Presentation
Like in a typical beam position monitor, the electro-optical bunch arrival-time monitor (EO-BAM) in an x-ray free-electron laser (XFEL) comprises pickups. Although the data acquisition is differing, both cases have some similar design requirements. Especially, in the case of the EO-BAM a strong demand for a wide bandwidth. The cone-shaped button-type pickups, implemented and used for many...
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Frederic Micolon (Brookhaven national laboratory)Button BPMs for Synchrotron Light SourcesOral Presentation
The Electron Ion Collider (EIC) Hadron Storage Ring (HSR) aims to leverage the hardware from the RHIC storage ring as much as possible. However, the RHIC stripline beam position monitors (BPM) used in the superconducting magnet cryostat will not be compatible with the planned EIC hadron beam parameters that include shorter bunches, higher beam current and operation of the beam with a radial...
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Nicolas HUBERT (SYNCHROTRON SOLEIL)Button BPMs for Synchrotron Light SourcesOral Presentation
SOLEIL II is the low emittance upgrade project for Synchrotron SOLEIL, targeting an emittance of ~80 pm.rad. The new lattice includes 180 Beam Position Monitors (BPM). Due to the different constraints on the magnet yokes, beam stay clear and synchrotron radiation, 3 different types of BPM will be installed on the storage ring with inner diameter distributed between 16 and 24 mm....
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Nicolas HUBERT (SYNCHROTRON SOLEIL)
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Fabio Marcellini (Paul Scherrer Institut)Button BPMs for Synchrotron Light Sources
The upgrade of the Swiss Light Source (SLS), called SLS 2.0, involves, among other things, a complete replacement of the storage ring, which started in September 2023 and is currently nearing completion. The commissioning of the new ring is scheduled to begin next January.
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In the approximately 290 meters of circumference of the new ring, 134 button BPMs have been placed, having, like the rest...
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