Simon Ebner
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View article: Improved pixel-wise calibration for charge-integrating hybrid pixel detectors with performance validation
Improved pixel-wise calibration for charge-integrating hybrid pixel detectors with performance validation Open
View article: Improved Pixel-wise Calibration for Charge-Integrating Hybrid Pixel Detectors with Performance Validation
Improved Pixel-wise Calibration for Charge-Integrating Hybrid Pixel Detectors with Performance Validation Open
The MÖNCH hybrid pixel detector, with a 25 \textmu m pixel pitch and fast charge-integrating readout, has demonstrated subpixel resolution capabilities for X-ray imaging and deep learning-based electron localization in electron microscopy.…
View article: Optimization and validation of charge transport simulation for hybrid pixel detectors incorporating the repulsion effect
Optimization and validation of charge transport simulation for hybrid pixel detectors incorporating the repulsion effect Open
View article: First results of the ADC-SAR-05 prototype towards On-chip digitization of the JUNGFRAU charge-integrating X-ray pixel detector
First results of the ADC-SAR-05 prototype towards On-chip digitization of the JUNGFRAU charge-integrating X-ray pixel detector Open
JUNGFRAU is a state-of-the-art charge-integrating X-ray detector widely used for imaging, diffraction and spectroscopy experiments at synchrotrons and free electron lasers. The current frame rate is 2.2 kHz, limited by analog signal integr…
View article: Investigating the Impact of Sensor Layout on Radiation Hardness in 25 µm Pitch Hybrid Pixel Detectors for 4th Generation Synchrotron Light Sources
Investigating the Impact of Sensor Layout on Radiation Hardness in 25 µm Pitch Hybrid Pixel Detectors for 4th Generation Synchrotron Light Sources Open
With the evolution of synchrotron light sources to fourth generation (diffraction-limited storage rings), the brilliance is increased by several orders of magnitude compared to third generation facilities. For example, the Swiss Light Sour…
View article: Signal stability of high-Z sensors at synchrotron light sources
Signal stability of high-Z sensors at synchrotron light sources Open
The use of high-Z sensors for scientific applications at synchrotrons will gain more importance due to the upgrade of many light sources around the world to diffraction limited light sources for which the photon flux at high photon energie…
View article: Optimizing charge transport simulation for hybrid pixel detectors
Optimizing charge transport simulation for hybrid pixel detectors Open
To enhance the spatial resolution of the MÖNCH 25 µm pitch hybrid pixel detector, deep learning models have been trained using both simulation and measurement data. Challenges arise when comparing simulation-based deep learning models to m…
View article: Optimizing Charge Transport Simulation for Hybrid Pixel Detectors
Optimizing Charge Transport Simulation for Hybrid Pixel Detectors Open
To enhance the spatial resolution of the MÖNCH 25 \textmu m pitch hybrid pixel detector, deep learning models have been trained using both simulation and measurement data. Challenges arise when comparing simulation-based deep learning mode…
View article: Resolving soft X-ray photons with a high-rate hybrid pixel detector
Resolving soft X-ray photons with a high-rate hybrid pixel detector Open
Due to their high frame rates and dynamic range, large area coverage, and high signal-to-noise ratio, hybrid silicon pixel detectors are an established standard for photon science applications at X-ray energies between 2 keV and 20 keV. Th…
View article: Quantum Efficiency Measurement and Modeling of Silicon Sensors Optimized for Soft X-ray Detection
Quantum Efficiency Measurement and Modeling of Silicon Sensors Optimized for Soft X-ray Detection Open
Hybrid pixel detectors have become indispensable at synchrotron and X-ray free-electron laser facilities thanks to their large dynamic range, high frame rate, low noise, and large area. However, at energies below 3 keV, the detector perfor…
View article: Balancing gain and dynamic range in a 25 µm pitch hybrid pixel detector
Balancing gain and dynamic range in a 25 µm pitch hybrid pixel detector Open
MÖNCH is a hybrid pixel detector featuring 25 µm pixel pitch and analogue readout for X-ray imaging at synchrotron radiation (SR) facilities. Sub-pixel spatial resolution has been demonstrated using charge sharing and interpolation algorit…
View article: Characterization of iLGADs using soft X-rays
Characterization of iLGADs using soft X-rays Open
Experiments at synchrotron radiation sources and X-ray Free-Electron Lasers in the soft X-ray energy range (250 eV–2 keV) stand to benefit from the adaptation of the hybrid silicon detector technology for low energy photons. Inverse Low Ga…
View article: Disentangling the evolution of electrons and holes in photoexcited ZnO nanoparticles
Disentangling the evolution of electrons and holes in photoexcited ZnO nanoparticles Open
The evolution of charge carriers in photoexcited room temperature ZnO nanoparticles in solution is investigated using ultrafast ultraviolet photoluminescence spectroscopy, ultrafast Zn K-edge absorption spectroscopy, and ab initio molecula…
View article: Characterization of iLGADs using soft X-rays
Characterization of iLGADs using soft X-rays Open
Experiments at synchrotron radiation sources and X-ray Free-Electron Lasers in the soft X-ray energy range ($250$eV--$2$keV) stand to benefit from the adaptation of the hybrid silicon detector technology for low energy photons. Inverse Low…
View article: Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles
Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles Open
The evolution of charge carriers in photoexcited room temperature ZnO nanoparticles in solution is investigated using ultrafast ultraviolet photoluminescence spectroscopy, ultrafast Zn K-edge absorption spectroscopy and ab-initio molecular…
View article: Data for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles"
Data for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles" Open
Data repository for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles", submitted to Structural Dynamics (#SDY23-AR-XAS2023-00063). Data are divided in 4 numbered folders, organized as follows: Folder "1…
View article: Data for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles"
Data for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles" Open
Data repository for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles", submitted to Structural Dynamics (#SDY23-AR-XAS2023-00063). Data are divided in 4 numbered folders, organized as follows: Folder "1…
View article: Data for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles"
Data for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles" Open
Data repository for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles", submitted to Structural Dynamics (#SDY23-AR-XAS2023-00063R). (This is an updated version after revision). Data are divided in 4 num…
View article: Study of the internal quantum efficiency of FBK sensors with optimized entrance windows
Study of the internal quantum efficiency of FBK sensors with optimized entrance windows Open
Single-photon detection of X-rays in the energy range of 250 eV to 1 keV is difficult for hybrid detectors because of the low quantum efficiency and low signal-to-noise ratio. The low quantum efficiency is caused by the absorption of soft …
View article: Development of LGAD sensors with a thin entrance window for soft X-ray detection
Development of LGAD sensors with a thin entrance window for soft X-ray detection Open
We show the developments carried out to improve the silicon sensor technology for the detection of soft X-rays with hybrid X-ray detectors. An optimization of the entrance window technology is required to improve the quantum efficiency. Th…
View article: Development of LGAD sensors with a thin entrance window for soft X-ray detection
Development of LGAD sensors with a thin entrance window for soft X-ray detection Open
We show the developments carried out to improve the silicon sensor technology for the detection of soft X-rays with hybrid X-ray detectors. An optimization of the entrance window technology is required to improve the quantum efficiency. Th…
View article: Advancing the JUNGFRAU detector toward low-energy X-ray applications
Advancing the JUNGFRAU detector toward low-energy X-ray applications Open
The charge-integrating hybrid silicon pixel detector JUNGFRAU has found widespread use at free-electron laser and synchrotron facilities. The detector was designed for use with hard X-rays; yet, because of its low noise, high dynamic range…
View article: Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction
Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction Open
One of the main challenges in ultrafast material science is to trigger phase transitions with short pulses of light. Here we show how strain waves, launched by electronic and structural precursor phenomena, determine a coherent macroscopic…
View article: A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam
A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam Open
View article: Introducing Big Data Analysis in a Proton Therapy Facility to Reduce Technical Downtime
Introducing Big Data Analysis in a Proton Therapy Facility to Reduce Technical Downtime Open
At the center for Proton Therapy of the Paul Scherrer Institute about 450 cancer patients are treated yearly using accelerated protons in three treatment areas. The facility is active since 1984 and for each patient we keep detailed log fi…
View article: Roadmap to 100 Hz DAQ at SwissFEL: Experiences and Lessons Learned
Roadmap to 100 Hz DAQ at SwissFEL: Experiences and Lessons Learned Open
Providing reliable and performant Data Acquisition System (DAQ) at Free Electron Lasers (FELs) is a challenging and complex task due to the inherent characteristics of a pulsed machine and consequent need of beam synchronous shot-to-shot D…
View article: Revealing hole trapping in zinc oxide nanoparticles by time-resolved X-ray spectroscopy
Revealing hole trapping in zinc oxide nanoparticles by time-resolved X-ray spectroscopy Open
View article: SwissFEL - Beam Synchronous Data Acquisition - The First Year
SwissFEL - Beam Synchronous Data Acquisition - The First Year Open
The SwissFEL beam-synchronous data-acquisition system is based on several novel concepts and technologies. It is targeted on immediate data availability and online processing and is capable of assembling an overall data view of the whole m…
View article: SwissFEL Control System - Overview, Status, and Lessons Learned
SwissFEL Control System - Overview, Status, and Lessons Learned Open
The SwissFEL is a new free electron laser facility at the Paul Scherrer Institute (PSI) in Switzerland. Commissioning started in 2016 and resulted in first lasing in December 2016 (albeit not on the design energy). In 2017, the commissioni…
View article: <i>DA+</i> data acquisition and analysis software at the Swiss Light Source macromolecular crystallography beamlines
<i>DA+</i> data acquisition and analysis software at the Swiss Light Source macromolecular crystallography beamlines Open
Data acquisition software is an essential component of modern macromolecular crystallography (MX) beamlines, enabling efficient use of beam time at synchrotron facilities. Developed at the Paul Scherrer Institute, the DA+ data acquisition …