Thorough investigation of coherent synchrotron radiation (CSR) is a research focus of the Helmholtz Program Matter and Technologies at KIT. To detect and study THz CSR emission over multiple revolutions, THz detector systems are required to convert the photon signal into electrical pulses with picosecond time resolution. Continuous measurements of each bunch in CSR have turned out to be an indispensable tool for storage ring diagnostics and machine physics studies.

Technology

Sensors

The key feature of modern beam diagnostics is the possibility to optimize the spectrum sensitivity, the spatial resolution and the field-of-view of the camera, in according to the specific applications. To reach such modular approaches, several novel silicon line-array sensors from 512 up to 2048 pixels with pixel pitch of 25 and 45 µm were designed, produced and currently available to synchrotron accelerator communities. The photons transmittance into the semiconductor has been optimized by an Anti-Reflective Coating (ARC) back-end process. The ARC has been optimized for a wide-spectrum range from 320 nm to 1050 nm, figure 1.

Figure 1: Novel fine-pitch silicon line-array optimized for Near-IR spectrum detection.

In the new version of the Kalypso system there is an attractive possibility to extend the spectrum sensitivity range up to 5 µm by novel PbS and PbSe line arrays. In parallel, we have developed and submitted a novel ultra-fast line-array based on Trench-Isolated Low-Gain Avalanche Detector (TI-LGAD) technology. The new sensor has been designed and optimized in order to operate at several hundred million of frames per second and with an additional multiplication layer built-in in the bulk of the sensor, somewhat similar to the fast-gated intensifying camera. A cross-section of the TI-LGAD is shown in figure 2.

Figure 2: Trench isolated LGAD structure, channel pitch down to 50 µm, trench isolation width < 1 µm.

The new sensor technology will be employed in the transverse beam diagnostic where a fast charge collection time down to 3 ns is necessary to enable detection in a multi-bunch operation mode.

Front-end readout ASICs

Three ASICs have been developed in UMC- 110 nm CMOS technology, Gotthard version 1.6, Gotthard-HR (Proto) and the final version of the Gotthard-HR vers. 2. the readout chip is compatible with different sensors technologies (Si and InGaAs, InP) and operates over 10 MHz framerate at full detector occupancy. The block diagram of the ASICs is shown in figure 3, it features in 128 parallel readout channels, where each channel includes: 1) a full-differential folded-cascode charge-sensitive amplifier with three programmable gains by FPGA, 2) a differential correlated-double-sampling, which is indispensable to reduce the noise contribution, 3) a sampling-and-hold circuit followed by an analog channel buffer. 8 channels are then grouped, multiplexed and converted into digital bits by on-board multichannel fast ADCs. The new readout chip makes KALYPSO suitable detector system for a wide range of applications that requires very low-noise and high-framerate. The final chip is shown in figure 4.

Figure 3: ASICs front-end chip architecture.
Figure 4: Gotthard HighRate ASICs produced in UMC 110nm CMOS technology.

 

Ultra-wide band RF analog front-end electronics for THz sensors

The KArlsruhe Pulse Taking and Ultrafast Readout Electronics system (KAPTURE), developed at KIT, implements a memory-efficient approach to acquire the detector signal on a bunch-by-bunch basis. Kapture is a wide-band (DC - 60 GHz) and ultrafast front-end readout system designed for direct sampling of ultrashort pulses generated from both room temperature or cryogenic THz sensors. The signal of the fast THz sensors is fed via high bandwidth connectors into a track-and-hold unit and a 12-bit, up to 2 GS/s, analog-to-digital converter. KAPTURE offers up to 8 sampling channels with individual delay units, whose sampling trigger points can be adjusted in 3 ps steps each. This enables a "local sampling" of a THz signal in minimum steps of 3 ps. This local sampling depends on the chosen delays between the channels, with a maximum rate of 330 GSa/s. The very low-noise condition allows to measure the arrived time of each pulse with picosecond time resolution and the pulse amplitude with mV resolution. All pulses are acquired in real-time, reconstructed and processed by an optimized data processing framework based on GPUs. Capture system is shown in figure 5.

Figure 5: KAPTURE-2 front-end readout card.

 

High-density interconnects and mounting

The Kalypso detector system is based on Multichip modules (MCM) technology. The MCM is basically extensions of hybrid microcircuits, the differences being in their higher degree of density and improved electrical performance. The picture shown the Kalypso line-camera with 512 pixels, pixel pitch of 25µm. The silicon sensor has been optimized for a spectrum sensitivity peak @ 800 nm. The line sensor is connected to four readout chip Gotthard - KIT by a wedge-to-wedge wire-bonding process with 25 µm aluminium wire.

Figure 6: Kalypso NIR with 512 pixels produced for the longitudinal beam diagnostics at KARA.

 

Heterogenous data acquisition and data processing

Both Kapture and Kalypso generate very large data volumes. To cope with this so called "big data" challenge, a high-performance heterogeneous FPGA-GPU-based computing infrastructure has been developed [Caselle] To meet real-time constraint, the data is directly transferred from the FPGA into the GPU memory bypassing CPU and CPU memory by high-performance ad-hoc direct memory access (DMA). To satisfy both the high data throughput and the fast data processing, a novel readout system based on PCIe generation 4 has been developed. The main processor is based on the ZYNQ UltraScale+ from Xilinx device which includes a 64-bit quadcore ARM processor with up to 1.5 GHz and a dual-core ARM with up to 600 MHz for Real-Time Operating System (RTOS). The ZYNQ is equipped with a large FPGA device. The readout card, shown in figure 7, is also equipped by two different system memories: a large DDR4 SODIMM memory attached to the processor systems (PS) and a 4 Gb DDR4 memory connected to the programmable logic (PL). A full-duplex FireFly electrical/optical data link operating up to 330 Gb/s in full-duplex mode, which allows to stream out the data generated by KAPTURE or KALYPSO directly to the microTCA devices.

Figure 7: PCIe data acquisition card developed for beam diagnostics instrumentations.

The platform is an ideal system for the implementation of fast machine learning inference on FPGA based on the novel deep learning processor unit (DPU) technology. The integration of KAPTURE and KALYPSO with a real-time data processing based on artificial intelligence will open up a novel solution towards the autonomous accelerators. The systems could be directly integrated within the control system network of the accelerator / beam line by an embedded EPICs/TANGO server on the FPGA by standard TCP/IP port present on the readout card.

Projects

NeoDyn

Modern beam diagnostics instrumentation relies on several technologies: custom ASIC design, high-frequency technologies, custom superconducting or semiconductor design and fabrication, high-density interconnect technologies, high-throughput DAQ and advanced AI data processing. Within NeoDyn project, we develop a new generation of innovative detector systems for accelerator diagnostics which opens new windows of opportunities in photon science and user experiments. In particular, we have produced and installed several detector systems which goes well beyond the state-of-the-art and therefore they lead to new or improved applications in the THz range and for short electron and photon pulses at large-scale facilities. To study THz behaviour with an unprecedented temporal resolution and to resolve bunch-to-bunch interactions the novel front-end readout electronics so called "KAPTURE-2", has been developed. KALYPSO has originally been developed for the upgrade of the Electro-Optical Spectral Decoding experiments at the KIT research synchrotron light source KARA. Later KALYPSO was also used at the European XFEL and FLASH, ELBE and DELTA. The Key-strength of the both systems are: 1) modularity, both systems could be employed as a stand-alone detector or integrated within a MicroTCA crate, 2) high resolution combined to the high repetition rate, 3) capability to provide a base detector technology to facilitate advanced diagnostics, monitor and control of synchrotron, linear and plasma accelerators.

For students

The proposed research will develop novel advance and cutting-edge detector technologies and open new windows of opportunities in photon science and user experiments. It provides an ideal ground for the education and training of students and young researchers.

Publications


Breakthrough in real-time control with reinforcement learning on hardware at KARA
Santamaria Garcia, A.; Scomparin, L.; Müller, A. S.; Bründermann, E.; Caselle, M.; et al.
2023, October 11. 9th Annual MT Meeting "Matter and Technologies" (2023), Karlsruhe, Germany, October 9–11, 2023
Systematic study of longitudinal excitations to influence the microbunching instability at KARA
Santamaria Garcia, A.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2023, September 26. 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, May 7–12, 2023
A low-latency feedback system for the control of horizontal betatron oscillations
Caselle, M.; Weber, M.; Kopmann, A.; Santamaria Garcia, A.; Bründermann, E.; et al.
2023, September 26. (R. Assmann, P. McIntosh, A. Fabris, G. Bisoffi, I. Andrian & G. Vinicola, Eds.), 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, May 7–12, 2023
Status and upgrade of the visible light diagnostics port for energy spread measurements at KARA
Paternoster, G.; Caselle, M.; Centis Vignali, M.; Niehues, G.; Bründermann, E.; et al.
2023, September 26. 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, May 7–12, 2023
Turn-by-turn measurements of the energy spread at negative momentum compaction factor at KARA
Paternoster, G.; Schreiber, P.; Boscardin, M.; Caselle, M.; Bründermann, E.; et al.
2023, September 26. (R. Assmann, P. McIntosh, A. Fabris, G. Bisoffi, I. Andrian & G. Vinicola, Eds.), 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, May 7–12, 2023
Enhancing the sensitivity of the electro-optical far-field experiment for measuring CSR at KARA
Grimm, L. L.; Caselle, M.; Niehues, G.; Widmann, C.; Bründermann, E.; et al.
2023, September 26. 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, May 7–12, 2023
Status and upgrade of the visible light diagnostics port for energy spread measurements at KARA
Paternoster, G.; Caselle, M.; Centis Vignali, M.; Niehues, G.; Bründermann, E.; et al.
2023. 14th International Particle Accelerator Conference, Venedig, 7th-12th May 2023, 4764–4767, JACoW Publishing. doi:10.18429/JACoW-IPAC2023-THPL123
Turn-by-turn measurements of the energy spread at negative momentum compaction factor at KARA
Paternoster, G.; Schreiber, P.; Boscardin, M.; Caselle, M.; Bründermann, E.; et al.
2023. R. Assmann, P. McIntosh, A. Fabris, G. Bisoffi, I. Andrian & G. Vinicola (Eds.), 14th International Particle Accelerator Conference, Venedig, 7th-12th May 2023, 2677–2680, JACoW Publishing. doi:10.18429/JACoW-IPAC2023-WEPA017
A low-latency feedback system for the control of horizontal betatron oscillations
Caselle, M.; Weber, M.; Kopmann, A.; Santamaria Garcia, A.; Bründermann, E.; et al.
2023. R. Assmann, P. McIntosh, A. Fabris, G. Bisoffi, I. Andrian & G. Vinicola (Eds.), 14th International Particle Accelerator Conference, Vernedig, 7th-12th May 2023, 4479–4482, JACoW Publishing. doi:10.18429/JACoW-IPAC2023-THPL027
Systematic study of longitudinal excitations to influence the microbunching instability at KARA
Schreiber, P.; Caselle, M.; Santamaria Garcia, A.; Steinmann, J.; Bründermann, E.; et al.
2023. R. Assmann, P. McIntosh, A. Fabris, G. Bisoffi, I. Andrian & G. Vinicola (Eds.), 14th International Particle Accelerator Conference, Venedig, 7th - 12th May 2023, 2681–2684, JACoW Publishing. doi:10.18429/JACoW-IPAC2023-WEPA018
How can Machine Learning help Future Light Sources?
Santamaria Garcia, A.; Xu, C.; Müller, A.-S.; Bründermann, E.; Caselle, M.; et al.
2023. Future Light Sources 2023 : 67th ICFA Advanced Beam Dynamics Workshop FLS 2023, 249–256, JACoW Publishing. doi:10.18429/JACoW-FLS2023-TH3D3
Machine Learning activities at KIT
Santamaria Garcia, A.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A. S.; et al.
2023, July 3. ACCLAIM Meeting (2023), Jena, Germany, July 3–4, 2023
Status and upgrade of the visible light diagnosticsport for energy spread measurements at KARA
Patil, M. M.; Bründermann, E.; Caselle, M.; Funkner, S.; Müller, A. S.; et al.
2023, May. 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, May 7–12, 2023
Advanced diagnostic detectors for rogue phenomena, single-shot applications
Caselle, M.; Bielawski, S.; Müller, A.-S.; Bründermann, E.; Steffen, B.; et al.
2023. G. Herink, D. R. Solli & S. Bielawski (Eds.), Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII, 17, SPIE. doi:10.1117/12.2657489
Highlights & news from KIT
Santamaria Garcia, A.; Bruendermann, E.; Kötter, S.-R.; Müller, A.-S.; Caselle, M.; et al.
2023, February 3. ACCLAIM Meeting (2023), Online, February 3, 2023
Enhancing the sensitivity of the electro-optical far-field experiment for measuring CSR at KARA
Grimm, L. L.; Caselle, M.; Niehues, G.; Widmann, C.; Bründermann, E.; et al.
2023. 14th International Particle Accelerator Conference, Venedig, 7th-12th May 2023, 4753–4755, JACoW Publishing. doi:10.18429/JACoW-IPAC2023-THPL120
Revealing the dynamics of ultrarelativistic non-equilibrium many-electron systems with phase space tomography
Funkner, S.; Müller, A.-S.; Steffen, B.; Bründermann, E.; Caselle, M.; et al.
2023. Scientific Reports, 13 (1), Art.-Nr.: 4618. doi:10.1038/s41598-023-31196-5
KINGFISHER: A Framework for Fast Machine Learning Inference for Autonomous Accelerator Systems
Scomparin, L.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2022. Data Acquisition and Processing Platforms - International Beam Instrumentation Conference (11th), Kraków, Poland, 11-15 September 2022, 151–155, JACoW Publishing. doi:10.18429/JACoW-IBIC2022-MOP42
Machine learning to control and predict beam properties
Santamaria Garcia, A.; Blomley, E.; Caselle, M.; Scomparin, L.; Müller, A.-S.; et al.
2022, September 8. 10th MT-ARD-ST3 Meeting (2022), Berlin, Germany, September 7–9, 2022
Ultra-fast line-camera KALYPSO for electron beam diagnostics
Patil, M. M.; Bründermann, E.; Caselle, M.; Funkner, S.; Müller, A.-S.; et al.
2022, September 8. 10th MT-ARD-ST3 Meeting (2022), Berlin, Germany, September 7–9, 2022
Terahertz sampling rates with photonic time-stretch for electron beam diagnostics
Manzhura, O.; Caselle, M.; Bielawski, S.; Müller, A.-S.; Bründermann, E.; et al.
2022. 13th International Particle Accelerator Conference : June 12-17, 2022, Impact Forum, Muangthong Thani, Bangkok, Thailand : conference proceedings. Ed.: T. Chanwattana, 263–266, JACoW Publishing. doi:10.18429/JACoW-IPAC2022-MOPOPT017
Ultra-fast line camera based on TI-LGAD for beam diagnostics and photon science
Trifonova, E.; Caselle, M.; Patil, M.; Müller, A. S.; Bründermann, E.; et al.
2022, June. 23rd International Workshop on Radiation Imaging Detectors (iWoRiD 2022), Riva del Garda, Italy, June 26–30, 2022
Terahertz Sampling Rates with Photonic Time-Strech for Electron Beam Diagnostics
Manzhura, O.; Caselle, M.; Bielawski, S.; Müller, A.-S.; Bründermann, E.; et al.
2022, June. 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, June 12–17, 2022
Terahertz sampling rates with photonic time-stretch for electron beam diagnostics
Manzhura, O.; Caselle, M.; Bielawski, S.; Müller, A.-S.; Bründermann, E.; et al.
2022, June. 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, June 12–17, 2022
Terabit sampling system with photonic time-stretch analog-to-digital converter
Caselle, M.; Bielawski, S.; Manzhura, O.; Chilingaryan, S.; Bründermann, E.; et al.
2022. G. Herink, D. R. Solli & S. Bielawski (Eds.), Real-Time Measurements, Rogue Phenomena, and Single-Shot Applications VI : 6-11 March 2022, online. Eds.: Daniel R. Solli; Georg Herink; Serge Bielawski, 9, SPIE. doi:10.1117/12.2607818
Fast Measurements of the Electron Beam Transverse Size and Position on SOLEIL Storage Ring
Labat, M.; Bence, A.; Bründermann, E.; Caselle, M.; Ebersoldt, A.; et al.
2021. Proc. IBIC’21. Ed.: C. Kim, 235–238, JACoW Publishing. doi:10.18429/JACoW-IBIC2021-TUPP17
Ultra-fast line-camera KALYPSO for fs-laser based electron beam diagnostics
Patil, M. M.; Caselle, M.; Niehues, G.; Bründermann, E.; Müller, A.-S.; et al.
2021, September 30. 9th MT ARD ST3 meeting (2021), Online, September 29–October 1, 2021
Modern Ultra-Fast Detectors for Online Beam Diagnostics
Patil, M. M.; Bründermann, E.; Caselle, M.; Ebersoldt, A.; Funkner, S.; et al.
2021. doi:10.5445/IR/1000137426
Ultra-fast line-camera KALYPSO for fs-laser-based electron beam diagnostics
Patil, M. M.; Caselle, M.; Niehues, G.; Bründermann, E.; Müller, A. S.; et al.
2021, September 13. 10th International Beam Instrumentation Conference (IBIC 2021), Online, September 13–17, 2021
Highlights & News @KIT
Santamaria Garcia, A.; Bruchon, N.; Caselle, M.; Bründermann, E.; Müller, A.-S.; et al.
2021, August 20. ACCLAIM Meeting (2021), Online, August 20, 2021
Implementing Electro-Optical Diagnostics for Measuring the CSR far-field at KARA
Widmann, C.; Bründermann, E.; Caselle, M.; Funkner, S.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference : virtual edition, May 24th-28th, 2021, Brazil : proceedings volume, IPAC2021. Ed.: R. Picoreti, 931–934, JACoW Publishing. doi:10.18429/JACoW-IPAC2021-MOPAB294
Accelerated Deep Reinforcement Learning for Fast Feedback of Beam Dynamics at KARA
Wang, W.; Caselle, M.; Boltz, T.; Müller, A.-S.; Bründermann, E.; et al.
2021. IEEE transactions on nuclear science, 68 (8), 1794–1800. doi:10.1109/TNS.2021.3084515
Highlights & News @KIT
Santamaria Garcia, A.; Bruchon, N.; Caselle, M.; Bründermann, E.; Müller, A.-S.; et al.
2021, May 28. ACCLAIM Meeting (2021), Online, May 28, 2021
Electro-Optical Diagnostics at KARA and FLUTE – Results and Prospects
Niehues, G.; Bründermann, E.; Caselle, M.; Funkner, S.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference : virtual edition, May 24th-28th, 2021, Brazil : proceedings volume / IPAC2021. Ed.: R. Picoreti, 927–930, JACoW Publishing. doi:10.18429/JACoW-IPAC2021-MOPAB293
Application of KALYPSO as a diagnostic tool for beam and spectral analysis
Patil, M. M.; Caselle, M.; Bründermann, E.; Niehues, G.; Müller, A.-S.; et al.
2021, March 17. DPG-Frühjahrstagung / Arbeitskreis Beschleunigerphysik - AKBP: Beam Dynamics - AKBP 1.7 (2021), Online, March 15–19, 2021
KALYPSO–Anultra-fast and versatile detector for wide range spectral measurements
Patil, M. M.; Caselle, M.; Bründermann, E.; Müller, A.-S.; Steffen, B.; et al.
2021, February 3. 7th Annual MT Meeting (Part 1) (2021), Online, February 1–3, 2021
Kalypso – An ultra-fast and versatile detector for wide range spectral measurements
Patil, M. M.; Caselle, M.; Bründermann, E.; Müller, A.-S.; Steffen, B.; et al.
2021, February. 7th Annual MT Meeting (Part 1) (2021), Online, February 1–3, 2021
Real-time data acquisition and processing system for MHz repetition rate image sensors
Mielczarek, A.; Makowski, D. R.; Gerth, C.; Steffen, B.; Caselle, M.; et al.
2021. Energies, 14 (21), Art.-Nr.: 7403. doi:10.3390/en14217403
Modern Ultra-Fast Detectors for Online Beam Diagnostics
Patil, M. M.; Bründermann, E.; Caselle, M.; Ebersoldt, A.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference : virtual edition, May 24th-28th, 2021, Brazil : proceedings volume / IPAC2021. Ed.: R. Picoreti, 4540–4544, JACoW Publishing. doi:10.18429/JACoW-IPAC2021-FRXC03
Application of KALYPSO as a diagnostic tool for beam and spectral analysis
Patil, M. M.; Caselle, M.; Niehues, G.; Bruendermann, E.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference : virtual edition, May 24th-28th, 2021, Brazil : proceedings volume / IPAC2021. Ed.: R. Picoreti, 3451–3454, JACoW Publishing. doi:10.18429/JACoW-IPAC2021-WEPAB331
Modern Ultra-Fast Detectors for Online Beam Diagnostics
Patil, M. M.; Bründermann, E.; Caselle, M.; Ebersoldt, A.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference (IPAC 2021), Online, May 24–28, 2021
Application of KALYPSO as a Diagnostic Tool for Beam and Spectral Analysis
Patil, M. M.; Bründermann, E.; Caselle, M.; Ebersoldt, A.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference (IPAC 2021), Online, May 24–28, 2021
Implementing Electro-Optical Diagnostics for Measuring the CSR far-field at KARA
Widmann, C.; Bründermann, E.; Caselle, M.; Funkner, S.; Steinmann, J. L.; et al.
2021. 12th International Particle Accelerator Conference (IPAC 2021), Online, May 24–28, 2021
Electro-Optical Diagnostics at KARA and FLUTE - Results and Prospects
Niehues, G.; Bründermann, E.; Caselle, M.; Funkner, S.; Müller, A.-S.; et al.
2021. 12th International Particle Accelerator Conference (IPAC 2021), Online, May 24–28, 2021
Phase space tomography at MHz-repetition rates at KARA
Funkner, S.; Müller, A.-S.; Steffen, B.; Bründermann, E.; Caselle, M.; et al.
2020, September 24. 8th MT ARD ST3 Meeting 2020, Karlsruhe, Deutschland (2020), Online, September 23–24, 2020
Compact single-shot electro-optic detection system for THz pulses with femtosecond time resolution at MHz repetition rates
Steffen, B.; Gerth, C.; Caselle, M.; Felber, M.; Kozak, T.; et al.
2020. Review of scientific instruments, 91 (4), Article no: 045123. doi:10.1063/1.5142833
KALYPSO: Linear array detector for high-repetition rate and real-time beam diagnostics
Rota, L.; Caselle, M.; Bründermann, E.; Steffen, B.; Müller, A.-S.; et al.
2019. Nuclear instruments & methods in physics research / A, 936, 10–13. doi:10.1016/j.nima.2018.10.093
Systemativc studies of the microbunching and weak instability at short bunch lengths
Müller, A.-S.; Caselle, M.; Bründermann, E.; Bründermann, E.; Caselle, M.; et al.
2019, September. ICFA mini-Workshop on "Mitigation of Coherent Beam Instabilities in particle accelerators" (MCBI 2019), Zermatt, Switzerland, September 23–27, 2019
Linear array detector for online diagnostics of spectral distributions at MHz repetition rates
Gerth, C.; Brenner, G.; Caselle, M.; Düsterer, S.; Steffen, B.; et al.
2019. Journal of synchrotron radiation, 26 (5), 1514–1522. doi:10.1107/S1600577519007835
Ultra-fast detector for wide range spectral measurements
Caselle, M.; Bründermann, E.; Duesterer, S.; Funkner, S.; Steffen, B.; et al.
2019. Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IV, San Francisco, CA, February 5 - 6, 2019. Ed.: D.R. Solli, Art.-Nr.: 1090306, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2511341
Single-shot photon and electric field diagnostics using the linear array detector KALYPSO with MHz-range readout
Niehues, G.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2019. Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IV, San Francisco, CA, February 5-6, 2019. Ed.: G. Herink, Art.-Nr.: 1090307, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2511545
Ultrafast linear array detector for real-time imaging
Caselle, M.; Rota, L.; Kopmann, A.; Chilingaryan, S.; Bründermann, E.; et al.
2019. Optical Data Science II. Ed.: B. Jalali, Art.-Nr.: 1093704, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2508451
Revealing the dynamics of ultrarelativistic non-equilibrium many-electron systems with phase space tomography
Funkner, S.; Müller, A.-S.; Steffen, B.; Bründermann, E.; Caselle, M.; et al.
2019
Novel P-in-N Si-Sensor technology for high resolution and high repetition-rate experiments at accelerator facilities
Patil, M. M.; Caselle, M.; Rota, L.; Müller, A.-S.; Bründermann, E.; et al.
2019. Topical Workshop on Electronics for Particle Physics (TWEPP2018) - Posters: 17-21 September 2018, Antwerp, Belgium. doi:10.22323/1.343.0045
An Ultra-Fast and Wide-Spectrum Linear Array Detector for High Repetition Rate and Pulsed Experiments
Patil, M. M.; Caselle, M.; Bründermann, E.; Funkner, S.; Müller, A.-S.; et al.
2019. 10th International Particle Accelerator Conference (IPAC 2019), Melbourne, Australia, May 19–24, 2019
An Ultra-Fast and Wide-Spectrum Linear Array Detector for High Repetition Rate and Pulsed Experiments
Patil, M. M.; Caselle, M.; Bründermann, E.; Funkner, S.; Müller, A.-S.; et al.
2019. Proceedings of the10th International Particle Accelerator Conference (IPAC 2019), Melbourne, AUS, May 10-24, 2019. Ed.: M. Boland, 2504–2506, JACoW Publishing. doi:10.18429/JACoW-IPAC2019-WEPGW018
Systematic studies of the microbunching instability at very low bunch charges
Brosi, M.; Steinmann, J. L.; Caselle, M.; Müller, A.-S.; Bründermann, E.; et al.
2019. Physical review accelerators and beams, 22 (2). doi:10.1103/PhysRevAccelBeams.22.020701
High throughput data streaming of individual longitudinal electron bunch profiles
Funkner, S.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2019. Physical review accelerators and beams, 22 (2), 022801. doi:10.1103/PhysRevAccelBeams.22.022801
Continuous bunch-by-bunch reconstruction of short detector pulses
Martin, M.; Brosi, M.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2019. DPG-Frühjahrstagung der Sektion Materie und Kosmos (SMuK), Arbeitskreis Beschleunigerphysik (2019), Munich, Germany, March 17–22, 2019
Single-shot longitudinal beam profile and terahertz diagnostics at MHz- Towards GHz-rates with high-throughput electronics
Caselle, M.; Rota, L.; Balzer, M.; Müller, A.-S.; Bründermann, E.; et al.
2018. IBIC 2017- International Beam Instrumentation Conference : 20-24 August 2017, Grand Rapids, Michigan, Amway Grand Plaza Hotel / hosted by Facility for Rare Isotope Beams. Ed.: E. Akers, 136–140, JACoW Publishing. doi:10.18429/JACoW-IBIC2017-TU2AB3
New collaborative approach to scientific data management with NOVA
Mexner, W.; Bründermann, E.; Caselle, M.; Funkner, S.; Kopmann, A.; et al.
2018. Proceedings of the 12th International Workshop on Emerging Technologies and Scientific Facilities Controls (PCaPAC2018), 224–227, JACoW Publishing. doi:10.18429/JACoW-PCaPAC2018-FRCA1
Continuous bunch-by-bunch spectroscopic investigation of the microbunching instability
Steinmann, J. L.; Boltz, T.; Müller, A.-S.; Bründermann, E.; Caselle, M.; et al.
2018. Physical review accelerators and beams, 21 (11), 110705. doi:10.1103/PhysRevAccelBeams.21.110705
Turn-by-Turn Measurements for Systematic Investigations of the Micro-Bunching Instability
Steinmann, J. L.; Brosi, M.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2018. FLS2018 : the 60th ICFA Advanced Beam Dynamics Workshop : Shanghai Institute of Applied Physics, March 5-9, 2018. Ed. board: Yong Ho Chin, Zhentang Zhao, Christine Petit-Jean-Genaz, Volker Schaa, 46–51, JACoW Publishing. doi:10.18429/JACoW-FLS2018-TUP2WD03
High Repetition Rate, Single-Shot Electro-Optical Monitoring of Longitudinal Electron Bunch Dynamics Using the Linear Array Detector KALYPSO
Niehues, G.; Blomley, E.; Müller, A.-S.; Bründermann, E.; Caselle, M.; et al.
2018. 9th International Particle Accelerator Conference (IPAC’18), Vancouver, Canada, April 29 - May 4, 2018. Ed.: S. Koscielniak, 2216–2218, JACoW Publishing. doi:10.18429/JACoW-IPAC2018-WEPAL026
Towards Single-Pulse Spectral Analysis of MHz-Repetition Rate Sources
Niehues, G.; Brosi, M.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2018. 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya; Japan; 9 - 14 September 2018, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IRMMW-THz.2018.8510133
Long-Term Turn-by-Turn Measurements of Electron Bunch Profiles at MHz Repetition Rates in a Storage Ring with Single-Shot Electro-Optical Sampling
Funkner, S.; Brosi, M.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2018. 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan, 9th-14th September 2018, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IRMMW-THz.2018.8510080
Synchronous detection of longitudinal and transverse bunch signals at a storage ring
Kehrer, B.; Brosi, M.; Müller, A.-S.; Caselle, M.; Bründermann, E.; et al.
2018. Physical review accelerators and beams, 21 (10), Article no 102803. doi:10.1103/PhysRevAccelBeams.21.102803
Single-shot longitudinal beam profile and terahertz diagnostics at MHz- Towards GHz-rates with high-throughput electronics
Caselle, M.; Rota, L.; Balzer, M.; Müller, A.-S.; Bründermann, E.; et al.
2017. 6th International Beam Instrumentation Conference (IBIC 2017), Grand Rapids, MI, USA, August 20–24, 2017
Studies of the micro-bunching instability in multi-bunch operation at the ANKA storage ring
Brosi, M.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2017. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Arbeitskreis Beschleunigerphysik, Dresden, 19.-24.März 2017
4-Channel Single Shot and Turn-by-Turn Spectral Measurements of Bursting CSR
Steinmann, J. L.; Blomley, E.; Müller, A.-S.; Bründermann, E.; Caselle, M.; et al.
2017. Proceedings of the International Particle Accelerator Conference (IPAC’17), Copenhagen, DK, May 14-19, 2017, 231–234, JACoW Publishing. doi:10.18429/JACoW-IPAC2017-MOPAB056
Studies of the Micro-Bunching Instability in Multi-Bunch Operation at the ANKA Storage Ring
Brosi, M.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2017. 8th International Particle Accelerator Conference (IPAC 2017), Copenhagen, Denmark, May 14–19, 2017
Simultaneous Detection of Longitudinal and Transverse Bunch Signals at the KARA Storage Ring
Kehrer, B.; Brosi, M.; Müller, A.-S.; Caselle, M.; Bründermann, E.; et al.
2017
Continuous bunch-by-bunch spectroscopic investigation of the micro-bunching instability
Steinmann, J. L.; Brosi, M.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2017
Studies of the Micro-Bunching Instability in Multi-Bunch Operation at the ANKA Storage Ring
Brosi, M.; Blomley, E.; Bründermann, E.; Caselle, M.; Müller, A.-S.; et al.
2017. 8th International Particle Accelerator Conference (IPAC2017), Copenhagen, Denmark, 14–19 May, 2017. Ed.: G. Arduini, 3645–3648, JACoW Publishing. doi:10.18429/JACoW-IPAC2017-THOBA1
KAPTURE-2. A picosecond sampling system for individual THz pulses with high repetition rate
Caselle, M.; Ardila Perez, L. E.; Balzer, M.; Müller, A.-S.; Bründermann, E.; et al.
2017. Journal of Instrumentation, 12, Art. Nr.: C01040. doi:10.1088/1748-0221/12/01/C01040
Kalypso: A MFPS linear array detector for visible to NIR radiation
Rota, L.; Balzer, M.; Caselle, M.; Weber, M.; Steffen, B.; et al.
2016. Proceedings of the 5th International Beam Instrumentation Conference, IBIC 2016, 740–743, JACoW Publishing
Influence of filling pattern structure on synchrotron radiation spectrum at ANKA
Steinmann, J. L.; Blomley, E.; Müller, A. S.; Bründermann, E.; Caselle, M.; et al.
2016. IPAC : proceedings of the 7th International Particle Accelerator Conference : Busan, Korea, May 8-13, 2016
Influence of filling pattern structure on synchrotron radiation spectrum at ANKA
Steinmann, J. L.; Blomley, E.; Müller, A. S.; Bründermann, E.; Caselle, M.; et al.
2016. IPAC : proceedings of the 7th International Particle Accelerator Conference : Busan, Korea, May 8-13, 2016. Ed.: W. Namkung, 2855–2857, CERN. doi:10.18429/JACoW-IPAC2016-WEPOW015
KAPTURE-2 - A picosecond sampling system for individual THz pulses with high repetition rate
Caselle, M.; Ardila Perez, L. E.; Balzer, M.; Müller, A. S.; Bründermann, E.; et al.
2016. Topical Workshop on Electronics for Particle Physics (TWEPP 2016), Karlsruhe, September 26-30, 2016
Fast mapping of terahertz bursting thresholds and characteristics at synchrotron light sources
Brosi, M.; Steinmann, J. L.; Müller, A.-S.; Bründermann, E.; Caselle, M.; et al.
2016. Physical review accelerators and beams, 19 (11), 110701. doi:10.1103/PhysRevAccelBeams.19.110701
Frequency-Comb Spectrum of Periodic-Patterned Signals
Steinmann, J. L.; Blomley, E.; Müller, A.-S.; Bründermann, E.; Caselle, M.; et al.
2016. Physical review letters, 117 (17), 174802. doi:10.1103/PhysRevLett.117.174802
An ultra-fast linear array detector for MHz line repetition rate spectroscopy
Rota, L.; Balzer, M.; Caselle, M.; Kudella, S.; Steffen, B.; et al.
2016. Real Time Conference, Padova, Italy, 6-10 June 2016, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/RTC.2016.7543157