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Geonhee Oh (Institute for Basic Science)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
Beam profile monitoring is essential at every stage of an accelerator beamline, yet deploying dedicated diagnostic systems at each focal plane remains costly and time-consuming. This work demonstrates that a single, standardized software platform, combined with commodity hardware, can provide facility-wide beam profile monitoring with rapid scalability. The platform uses phosphor screens and...
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Jared De Chant (Lawrence Berkeley National Laboratory)02/09/2026, 16:001MC03: Beam Position MonitorsPoster Presentation
At Lawrence Berkeley National Laboratory, ongoing work is underway for the Advanced Light Source Upgrade (ALS-U), whose primary objective is to increase photon beam brightness by two orders of magnitude. Achieving this goal requires the delivery of a high-quality electron beam, along with the development of advanced diagnostics to monitor its properties, including beam size, position, current,...
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Janis DeWitt (Safran Trusted 4D, Inc.)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The IFMIF-DONES facility requires high-performance BPM electronics capable of providing accurate beam position and intensity measurements while ensuring seamless integration with the facility-wide control and synchronization infrastructure. The joint venture AVS-BTESA, leading the DONES-VATIAC contract with CDTI*, subcontracted SAFRAN for the development of a new BPM electronics architecture...
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Marvin Noll (Karlsruhe Institute of Technology)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
This work presents the simulation and conceptual design of an electronic data acquisition system for the characterization of ultra-short pulses generated with high repetition rate. The project is developed within the framework of the cSTART initiative at the Karlsruhe Institute of Technology (KIT) and will be evaluated at the KArlsruhe Research Accelerator (KARA).
The primary focus of this...
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Chih-Hsien Huang (National Synchrotron Radiation Research Center)02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
A high-precision, bunch-by-bunch (BbB) synchrotron phase detection system has been developed and successfully commissioned at the Taiwan Photon Source (TPS). Designed to characterize complex beam dynamics and longitudinal filling patterns, the system operates across both the booster and storage rings. By leveraging digital in-phase and quadrature (I/Q) demodulation, the architecture...
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Seongyeol Kim (Pohang Accelerator Laboratory)02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
The Generative phase space reconstruction (GPSR) method, based on neural networks and differentiable simulations, has been actively investigated to obtain comprehensive information of 6-dimensional phase space of particle beams. At the Pohang Accelerator Laboratory X-ray Free Electron Laser (PAL-XFEL) facility, 6-dimensional phase spaces along the first bunch compressor section were...
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Tonia Batten (Canadian Light Source (Canada))02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
The Canadian Light Source (CLS) is a third generation
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synchrotron which hosted its first user in 2005. For many
years, the CLS has relied on MATLAB to control hardware,
compute accelerator parameters and measure beam prop
erties. In 2022 a series of hardware failures interrupted
operation of the CLS control room MATLAB computer
which exposed a significant operational risk and... -
Gerhard Schneider (European Organization for Nuclear Research)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
A total of 32 Beam Position Monitors (BPMs) will be installed in the cryogenic magnet assemblies for the CERN High Luminosity Large Hadron Collider (HL-LHC) project. These BPMs of total 3 types are of challenging mechanical design and built at CERN. The complexity results from the multiple requirements that these BPMs must fulfil, including their operation in a cryogenic environment and their...
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Donghyun Kwak (Korea Atomic Energy Research Institute)02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
The RFT-30 cyclotron at the Advanced Radiation Technology Institute (ARTI) of the Korea Atomic Energy Research Institute (KAERI) is a multipurpose proton cyclotron, which is particularly utilized for the production of medical radioisotopes. In radioisotope production, the reaction cross-section, which is strongly dependent on the proton energy and target material, critically influences the...
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Andrew Young (SLAC National Accelerator Laboratory)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
LCLS-II, the next-generation X-ray free-electron laser at SLAC National Accelerator Laboratory, will employ a continuous-wave 4 GeV superconducting linear accelerator with a nominal bunch spacing of 1 μs to deliver both soft and hard X-ray FEL radiation to experimental users. To meet the stringent beam diagnostics requirements of this facility, the SLAC Technical Innovation Directorate has...
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Porntip Sudmuang (Synchrotron Light Research Institute)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The SPS-II storage ring requires high-precision beam position monitors (BPMs) for orbit control and fast feedback operation. The design employs a button-type BPM with a removable feedthrough flange, allowing independent fabrication, testing, and replacement without disassembling the main vacuum chamber. Following the first prototype, further improvements have been implemented in both...
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Kenichirou Satou (High Energy Accelerator Research Organization)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
J-PARC MR has achieved its initial goal of 750 kW beam delivery and is upgrading equipment toward the next target of 1.3 MW. The Beam Position Monitor (BPM) system comprises 186 sensors and associated data-processing units, and precise determination of accelerator optics is required. We aim to improve Closed Orbit Distortion (COD) and bunch-by-bunch (BxB) position measurements to better than...
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Boris Keil (Paul Scherrer Institute)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The Karlsruhe Institute of Technology (KIT) will utilize PSI-developed cavity beam position monitors (CBPMs) for the cSTART storage ring transfer line. This contribution presents beam tests of these CBPMs at the Swiss Light Source injector linac, characterizing performance ahead of cSTART commissioning in 2027. While based on SwissFEL designs, the cSTART CBPMs are adapted for single-bunch...
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Yusuf Fazlee (Science and Technology Facilities Council)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The ISIS Neutron and Muon Source, at the Rutherford Appleton Laboratory in the UK, is a pulsed neutron source whose 50 Hz rapid cycling synchrotron accelerates beams of up to 3e13 protons to 800 MeV and delivers them to one of two fixed targets. A Medium Energy Beam Transport (MEBT) will be installed in the ISIS pre-injector after the 202.5 MHz RFQ, to improve transport and injection...
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Chris Hulley (European Organization for Nuclear Research)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
As part of the upcoming High Luminosity upgrade (HL-LHC), the LHC will be equipped with novel, large aperture Nb3Sn Inner Triplet magnets around the ATLAS and CMS experiments. Each Inner Triplet region will contain 6 new directional coupler Beam Position Monitors (BPMs) to independently measure both LHC beams circulating in a common vacuum chamber. The BPM signals will be measured and...
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Gaku Mitsuka (High Energy Accelerator Research Organization)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
This presentation will discuss the development of a novel bunch-by-bunch beam size monitor (SiXRM) employing silicon strip sensors and an RFSoC-based readout architecture. SiXRM is an ultrafast X-ray beam size monitor developed at the SuperKEKB electron-positron collider, and its development has been ongoing for the past ten years. The existing system uses a 2.7 Gsps ASIC for AD conversion of...
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David Madlener (Paul Scherrer Institute)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
In this contribution, we present the development of general purpose 8-channel 5 GSample/s waveform recorder and 10 GSample/s function generator for a 3rd generation AMD Radio Frequency System-On-Chip (RFSoC). The system has an EPICS IOC running on a CPU inside the RFSoC, as well as a direct fiber optic interface to the Swiss Light Source event system. This enables to trigger the data...
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Zhihong Xu (Institute of High Energy Physics)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
In the MEBT section of the China Spallation Neutron Source Phase II project, eight strip-type beam position monitor are deployed for precise transverse beam position measurement. The original system employed Bergoz LRBPM electronics modules and NI 1.25 MSPS multifunction data acquisition cards, with upper-layer software developed on the LabVIEW platform to realize orbit measurement functions....
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Manuel Cargnelutti (Instrumentation Technologies (Slovenia))02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The MTCA.4 BPM system has been set up using two newly developed modules: DAMC-UNIZUP (by DESY) and 2BPMRTM (by I-Tech). The modules have been installed in a prototype NATIVE server R1 and connected to NSLS-II spare BPMs. To test the performance of the electronics alone, a BPM button signal was split using a four-way splitter and routed to the switching matrix module. Due to tunnel access...
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Rok Hrovatin (Cosylab)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
In collaboration with the European Spallation Source (ESS) and Riga Technical University, we wanted to explore real-time ML model inference on FPGAs for beam waveform classification. To identify a viable solution, we evaluated two ML toolchains on the Xilinx Versal VCK190 adaptive SoC. The first uses the Vitis AI toolchain to integrate the DPUCVDX8G deep learning processing unit and 64-tile AI...
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En-Chuan Huang (Los Alamos National Laboratory)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The Beam Position Monitors (BPMs), the primary tuning diagnostics for the Proton Storage Ring (PSR) at the Los Alamos Neutron Science Center (LANSCE), recently underwent an upgrade to their data acquisition system. Whereas the previous system relied on a multiplexed architecture, the new system provides independent readbacks for each BPM and incorporates beam phase measurements. In parallel,...
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MingDong Ma (University of Science and Technology of China)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
The beam current monitor for the Hefei Advanced Light Facility (HALF) can acquire the slow, high-precision DC signal from the DCCT and the high-repetition-rate (500 MHz), broadband narrow pulses from a stripline beam position monitor (SBPM) simultaneously. The SBPM was specifically designed for HALF and we deal with the special signals in the time domain. Conventionally, commissioning such...
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Sergey Kuzikov (Thomas Jefferson National Accelerator Facility)02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
We describe a method for measuring the loaded and intrinsic quality factors, the external quality factor, and cavity detuning using algorithms based on solutions of the cavity differential equations in the I/Q domain. We report measurement results for Nb₃Sn cavities at Jefferson Lab’s UITF facility. The measurements include several tens of forward, probe, and reflected signal traces, each...
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95. Non-invasive determination of scaling and skew factors for X-ray beam position monitors (WEP008)Claire Houghton (Diamond Light Source)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
X-ray beam position monitors (XBPMs) are an indispensable tool for determining the position of the white beam in beamline front-ends at synchrotron light sources. White beam XBPMs at Diamond Light Source typically use four tungsten blades which intercept the tails of the transverse beam profile in order to not disrupt user beam. The measured currents from the four blades are converted to a...
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Chris Hulley (European Organization for Nuclear Research)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
The High-Luminosity upgrade of the LHC requires new
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Beam Position Monitor (BPM) Data Acquisition Electronics
capable of improved resolution and robustness. The new sys-
tem is based on a Xilinx RF System-on-Chip, which digitises
the eight BPM signals using integrated high-speed ADCs.
During testing at the end of 2025, significant perturbations
were observed in the system’s orbit... -
Laura Torino (ALBA Synchrotron (Spain))02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
As ALBA II is currently under development, the machine design has undergone several updates. Some of these modifications directly impact the Beam Position Monitor (BPM) pickup response. Specifically, the transition of the vacuum chamber cross-section from circular to rhomboidal brings the pickup electrodes closer to the beam, increasing the wakefield effects and potential parasitic heating. An...
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Donghyun Kwak (Korea Atomic Energy Research Institute)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The RFT-30 cyclotron at the Advanced Radiation Technology Institute (ARTI) of the Korea Atomic Energy Research Institute (KAERI) is a multipurpose proton cyclotron that delivers proton beams of up to 30 MeV for medical radioisotope production and the neutron applications. In the beam transport line, reliable information on the transverse beam position is essential for stable beam delivery and...
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Chia-Mu Cheng (National Synchrotron Radiation Research Center)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
Two sets of blade-type X-ray beam position monitors (XBPMs) are installed in the front end of Taiwan Photon Source (TPS), with the downstream monitor designated as XBPM2. Significant challenges in the calibration and operation of XBPM2 in the TPS front end have been primarily attributed to the upstream mask aperture size being nearly identical to the blade tip spacing. It leads to a...
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MingDong Ma (University of Science and Technology of China)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The Hefei Advanced Light Source (HALF) is a fourth-generation diffraction-limited storage ring under construction in China, imposing stringent requirements on its beam position monitor (BPM) system for sub-micron resolution, low-latency fast orbit feedback, and robust long-term stability. This paper presents the comprehensive performance testing of all DBPM developed for the HALF storage ring....
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Seok Ho Moon (Korea Multi-purpose Accelerator Complex)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The Korea Multi-purpose Accelerator Complex (KOMAC) operates a linear proton accelerator consisting of an ion source, a Low Energy Beam Transport (LEBT), a Radio Frequency Quadrupole (RFQ), and two Drift Tube Linac (DTL) sections. The beam is extracted at 50 keV and accelerated to 3 MeV through the RFQ, subsequently reaching 20 MeV in DTL Section 1 and a final energy of 102.6 MeV in DTL...
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Chunjie Xie (Institute of High Energy Physics)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
The CSNS-II upgrade aims to further increase the RCS beam power from the presently achieved level of about 185 kW to 500 kW. Under the higher beam power, the RCS BPM electronics will face challenges due to the increased input signal voltage and the requirement for a larger dynamic range. To achieve both a wide dynamic range and high position resolution, a new BPM electronics system is being...
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Risa Nakagawa (The Graduate University for Advanced Studies, SOKENDAI)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
A muon linear accelerator accelerating muons up to 212 MeV is being developed for the J-PARC muon g-2/EDM experiment. The beam intensity is estimated at only a few tens of muons per pulse, and the required transverse emittance is 1.5 π mm·mrad or less. The beam radius is expected to be σ ~ 1 mm, requiring a resolution of about 0.1 mm to resolve it. We are developing beam profile monitors at 40...
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En-Chuan Huang (Los Alamos National Laboratory)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
While basic beam parameters can be determined quickly using an optics model for the Proton Storage Ring (PSR) at LANSCE, some parameters, like effective beam current, beam sizes, and the impacts of RF bunchers, normally require multi-turn beam dynamics simulations that are often too long for the control room. In this effort, we present an ML surrogates based on PyORBIT simulations of the PSR...
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Thakonwat Chanwattana (Synchrotron Light Research Institute)02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
As part of an ongoing performance improvement at the Siam Photon Source (SPS), the 40 MeV electron injector system is undergoing an evaluation of its present beam properties. While previous measurements reported an overall transmission efficiency of approximately 26 % through the injector linac and Low-Energy Beam Transport line (LBT), recent investigations were conducted to evaluate the...
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Bela Urbschat (Nagoya University)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
At the SuperKEKB storage rings, a special stripline BPM is used at the injection points to measure the injection beam arriving from the beam transport line after it traverses all septum magnets, just before entering the storage rings. A new readout device based on the RFSoC platform and tailored to this application has been developed, successfully deployed and continuously operated during...
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Ruizhe Gong (Institute of Advanced Light Source Facilities Shenzhen)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
With the ever-increasing performance of ADC, digital electronics systems based on direct RF sampling have become capable of serving many areas of beam instrumentation. One of the most significant applications is the electronics for CBPM (Cavity Beam Position Monitor) and BAM (Beam Arrival Monitor) pickups, as the signals generated by these pickups are high-frequency signals above 3 GHz. By...
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Daniel Sittard (European Organization for Nuclear Research, Karlsruhe Institute of Technology)02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
Crab crossing is used in the High-Luminosity LHC (HL-LHC) to increase luminosity. Button- and stripline beam position monitors (BPMs) are used to observe the beam crabbing and to use the signal for RF noise feedback. The BPMs are not only sensitive to the crabbing angle, but also the trajectory tilt and center-of-mass position. Untangling the individual contributions demands attention and...
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Manuel Cargnelutti (Instrumentation Technologies (Slovenia))02/09/2026, 16:00MC03: Beam Position MonitorsPoster Presentation
CNAO in Pavia is one of the first centers for hadrontherapy in Europe, treating patients since 2011. The center represents an international reference for machines specifically designed for this purpose. The synchrotron BPM electronics currently relies on analog boards that compute the ratio between difference and sum signals from the shoebox pickup, with signals subsequently acquired by...
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Chelsea-Lea Randall (Canadian Light Source (Canada))02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
At the beginning of my master’s thesis, the software used for acquiring images of the electron beam was BeamGage Professional, a paid software that came with the cameras. This software was prone to issues and would commonly crash or fail to connect to the camera. The solution to this problem was often to power cycle the camera, which involved turning off RF systems, breaking lockup, and...
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Federico Ravotti (European Organization for Nuclear Research)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
The beam quality is of utmost importance in the operation of the IRRAD proton irradiation facility at CERN. During irradiation, the intensity, the transverse and longitudinal beam profiles are monitored online with custom-made Beam Profile Monitor (IRRAD-BPM) devices. The BPM sensors were developed and recently significantly improved thanks to a new manufacturing technology based on...
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Derek Steinkamp (Fermi National Accelerator Laboratory)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
The Mu2e experiment at Fermilab requires stable resonant slow extraction from the Delivery Ring, making reliable tune monitoring an important operational diagnostic. This work investigates BPM-based tune-candidate extraction using synchronized turn-by-turn position data distributed across multiple digitizers. Each spill contains approximately 50,000 turns from many BPMs in both transverse...
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Xinru Gao (University of Science and Technology of China)02/09/2026, 16:00MC08: Machine Parameter MeasurementsPoster Presentation
Real-time bunch-by-bunch diagnostics are essential for stable synchrotron operation under top-off conditions. Conventional monitoring based on individual observables struggles to characterize complex beam dynamics from multi-parameter coupling. To address this, an unsupervised deep-learning framework was developed for automatic longitudinal bunch-by-bunch phase diagnostics and machine...
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Christian Boehme (Forschungszentrum Jülich)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
The Red Pitaya is a versatile single-board DAQ System equipped with two 125 MHz ADCs and DACs each, 16 DIOs, and four slow ADCs and DACs each. For signal processing, a Xilinx Zynq including a dual-core ARM Cortex and FPGA fabric is present. This low-cost board was used in several beam instrumentation devices at the COSY proton synchrotron, including the BLM system or for current measurements...
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An Le (SLAC National Accelerator Laboratory)02/09/2026, 16:00MC07: Data Acquisition and Processing PlatformsPoster Presentation
The Cavity-Based X-ray Free-Electron Laser (CBXFEL) project in the Linac Coherent Light Source (LCLS) Hard X-ray (HXR) undulator line requires X-ray beam diagnostics for alignment and optimization of the optical cavity. The instrumentation combines silicon and diamond X-ray Beam Intensity Monitors (XBIMs), direct and amplified signal paths, high-speed digitizers, accelerator timing, and...
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